Add Stage 2 verified best near-miss results

Publish a sanitized 13-member fully replayed Stage 2 near-miss cohort. These are verified upper-bound rejections, not wins or exact-distance claims.

README.md

@@ -15,6 +15,8 @@ configs:
   data_files: data/candidates.jsonl
 - config_name: round_summary
   data_files: data/round_summary.jsonl
+- config_name: stage2_best_verified
+  data_files: data/stage2_best_verified.jsonl
 ---
 
 # QLDPC FOM>12 Search Evidence
@@ -23,6 +25,19 @@ This is a **human-review snapshot**, not a winner announcement. It contains a co
 
 > Status at snapshot: **in progress**. Sealed rounds: **1–4**. Certified novel candidates with exact `FOM > 12`: **0**.
 
+## Stage 2 verified near-miss update (2026-08-16)
+
+A separate `stage2_best_verified` configuration now publishes 13 fully
+replayed Stage 2 near-misses. All are `[[254,2,d<=39]]`, with verified
+upper-bound FOM `1521/127 ~= 11.97638`. They are **rejections**, not wins,
+and their exact distances remain unknown. See
+[`docs/STAGE2_BEST_RESULT.md`](docs/STAGE2_BEST_RESULT.md).
+
+The latest source boundary contained 102 raw-score ties; only the 13 released
+rows completed the full replay used here. The dataset does not claim that all
+102 raw ties have the same evidence level.
+
+
 ## Snapshot summary
 
 | Item | Value |

data/stage2_best_verified.jsonl

@@ -0,0 +1,13 @@
+{"canonical_digest": "2f6fea68a7d24353d7838a5041c5c2e376e66d0a197adb6c66057510d6895851", "code": "[[254,2,d<=39]]", "cohort_rank": 1, "construction": {"A_terms": [[0, 39], [0, 115]], "B_terms": [[0, 14], [0, 19], [0, 34], [0, 123]], "ell": 1, "family": "twisted_torus", "m": 127, "twist": 25}, "distance_lower_bound": null, "distance_upper_bound": 39, "evidence_level": "fully_replayed_verified_upper_bound_witness", "exact_distance": null, "fom_gt_12_possible": false, "fom_gte_12_possible": false, "fom_upper_bound": {"decimal": 11.976377952755906, "denominator": 127, "numerator": 1521}, "gap_to_fom_12": {"decimal": 0.023622047244094488, "denominator": 127, "numerator": 3}, "k": 2, "n": 254, "novelty": {"checked": true, "novel": true, "registry_content_sha256": "265f1a3fefef884adeaa980a5dce2441dee4f6f6d71c253ba7a6491360733689", "replayed_from_construction": true}, "pipeline_promotion": false, "publication_certificate": false, "record_kind": "stage2_best_verified_candidate", "record_sha256": "b226892d335b5d2d81be4735dec9880b7ef054981a500901de4d55fdc234d4e7", "scope_note": "One of 13 fully replayed top-K Stage 2 records. At the latest ACK boundary 102 rows shared the raw score; this release does not claim full replay of all 102 raw ties.", "selection_ack": {"ack_sha256": "d356b9f66b83dfcae795bb0b458fdba04f1f3170d1abec777b88ac4ecfcfe050", "page_sha256": "81cc6d74a296b46f61e5337e59e41d393c699b1d8562a9faf85209ea713a3fb7", "sequence": 14, "snapshot_identity_sha256": "68301ae1caa36c3a80506833db5932272717e79c99ef10d52011dcc6392959e1"}, "stage": "stage_2", "status": "REJECTED_NEAR_MISS", "target": {"inclusive_mode": "scalar-fom-inclusive-v1", "inclusive_required_distance": 40, "strict_predicate": "k*d*d > 12*n", "strict_required_distance": 40}, "witness_sector": "X", "witness_sha256": "d9bdb4ce778361c9a57cf5d0daa35b399feb9fa71bd0ddfc94cae72d048bfc04", "witness_weight": 39}
+{"canonical_digest": "35743cca71ff20ef56294054e03f8a3c7a4291d5a2fb9705aede420696bc475d", "code": "[[254,2,d<=39]]", "cohort_rank": 2, "construction": {"A_terms": [[0, 59], [0, 113]], "B_terms": [[0, 8], [0, 43], [0, 75], [0, 114]], "ell": 1, "family": "twisted_torus", "m": 127, "twist": 25}, "distance_lower_bound": null, "distance_upper_bound": 39, "evidence_level": "fully_replayed_verified_upper_bound_witness", "exact_distance": null, "fom_gt_12_possible": false, "fom_gte_12_possible": false, "fom_upper_bound": {"decimal": 11.976377952755906, "denominator": 127, "numerator": 1521}, "gap_to_fom_12": {"decimal": 0.023622047244094488, "denominator": 127, "numerator": 3}, "k": 2, "n": 254, "novelty": {"checked": true, "novel": true, "registry_content_sha256": "265f1a3fefef884adeaa980a5dce2441dee4f6f6d71c253ba7a6491360733689", "replayed_from_construction": true}, "pipeline_promotion": false, "publication_certificate": false, "record_kind": "stage2_best_verified_candidate", "record_sha256": "b9401f0472815c2ef4ba741ab28010760c4e38f79b5c12e027c746e50a9efbab", "scope_note": "One of 13 fully replayed top-K Stage 2 records. At the latest ACK boundary 102 rows shared the raw score; this release does not claim full replay of all 102 raw ties.", "selection_ack": {"ack_sha256": "5d887200174e0bb00baf9c03a06cf176da03ef544feb9d2886837302656dfee5", "page_sha256": "212d1c45bcf48b13149226849c3c1dc905b7d5e6a7e905464a274c07058b758d", "sequence": 16, "snapshot_identity_sha256": "68301ae1caa36c3a80506833db5932272717e79c99ef10d52011dcc6392959e1"}, "stage": "stage_2", "status": "REJECTED_NEAR_MISS", "target": {"inclusive_mode": "scalar-fom-inclusive-v1", "inclusive_required_distance": 40, "strict_predicate": "k*d*d > 12*n", "strict_required_distance": 40}, "witness_sector": "X", "witness_sha256": "b29359564d3f8105c34741c71864d811edfb27e633dd245f115deb28ef2001f6", "witness_weight": 39}
+{"canonical_digest": "40f38782612c4829d21c1cefffb8d2a21d9a8b8003c3a46f34c7db13fbbfc049", "code": "[[254,2,d<=39]]", "cohort_rank": 3, "construction": {"A_terms": [[0, 16], [0, 121]], "B_terms": [[0, 26], [0, 45], [0, 50], [0, 117]], "ell": 1, "family": "twisted_torus", "m": 127, "twist": 25}, "distance_lower_bound": null, "distance_upper_bound": 39, "evidence_level": "fully_replayed_verified_upper_bound_witness", "exact_distance": null, "fom_gt_12_possible": false, "fom_gte_12_possible": false, "fom_upper_bound": {"decimal": 11.976377952755906, "denominator": 127, "numerator": 1521}, "gap_to_fom_12": {"decimal": 0.023622047244094488, "denominator": 127, "numerator": 3}, "k": 2, "n": 254, "novelty": {"checked": true, "novel": true, "registry_content_sha256": "265f1a3fefef884adeaa980a5dce2441dee4f6f6d71c253ba7a6491360733689", "replayed_from_construction": true}, "pipeline_promotion": false, "publication_certificate": false, "record_kind": "stage2_best_verified_candidate", "record_sha256": "e8f36a7d7f189fdfb9b5237f68e6ecfb351752f63e2706bcc2492b22e536d460", "scope_note": "One of 13 fully replayed top-K Stage 2 records. At the latest ACK boundary 102 rows shared the raw score; this release does not claim full replay of all 102 raw ties.", "selection_ack": {"ack_sha256": "5d887200174e0bb00baf9c03a06cf176da03ef544feb9d2886837302656dfee5", "page_sha256": "212d1c45bcf48b13149226849c3c1dc905b7d5e6a7e905464a274c07058b758d", "sequence": 16, "snapshot_identity_sha256": "68301ae1caa36c3a80506833db5932272717e79c99ef10d52011dcc6392959e1"}, "stage": "stage_2", "status": "REJECTED_NEAR_MISS", "target": {"inclusive_mode": "scalar-fom-inclusive-v1", "inclusive_required_distance": 40, "strict_predicate": "k*d*d > 12*n", "strict_required_distance": 40}, "witness_sector": "X", "witness_sha256": "ba01565b4a5bf18726bd62fe5c22ec607cb3141f13b77007d738b44bbf018f44", "witness_weight": 39}
+{"canonical_digest": "4401d7ee7623ee46a19af91c7ce03196248102a2929c22167d2505f8b1763625", "code": "[[254,2,d<=39]]", "cohort_rank": 4, "construction": {"A_terms": [[0, 83], [0, 89]], "B_terms": [[0, 38], [0, 41], [0, 103], [0, 123]], "ell": 1, "family": "twisted_torus", "m": 127, "twist": 25}, "distance_lower_bound": null, "distance_upper_bound": 39, "evidence_level": "fully_replayed_verified_upper_bound_witness", "exact_distance": null, "fom_gt_12_possible": false, "fom_gte_12_possible": false, "fom_upper_bound": {"decimal": 11.976377952755906, "denominator": 127, "numerator": 1521}, "gap_to_fom_12": {"decimal": 0.023622047244094488, "denominator": 127, "numerator": 3}, "k": 2, "n": 254, "novelty": {"checked": true, "novel": true, "registry_content_sha256": "265f1a3fefef884adeaa980a5dce2441dee4f6f6d71c253ba7a6491360733689", "replayed_from_construction": true}, "pipeline_promotion": false, "publication_certificate": false, "record_kind": "stage2_best_verified_candidate", "record_sha256": "067601f3c23b2786f12a1912a386250b9b26459236490fad713b5da10889772e", "scope_note": "One of 13 fully replayed top-K Stage 2 records. At the latest ACK boundary 102 rows shared the raw score; this release does not claim full replay of all 102 raw ties.", "selection_ack": {"ack_sha256": "5d887200174e0bb00baf9c03a06cf176da03ef544feb9d2886837302656dfee5", "page_sha256": "212d1c45bcf48b13149226849c3c1dc905b7d5e6a7e905464a274c07058b758d", "sequence": 16, "snapshot_identity_sha256": "68301ae1caa36c3a80506833db5932272717e79c99ef10d52011dcc6392959e1"}, "stage": "stage_2", "status": "REJECTED_NEAR_MISS", "target": {"inclusive_mode": "scalar-fom-inclusive-v1", "inclusive_required_distance": 40, "strict_predicate": "k*d*d > 12*n", "strict_required_distance": 40}, "witness_sector": "X", "witness_sha256": "1722bc167575fc477fa1fa24754388ebec9bf4c53ebb1bcdde23eebb59a31d48", "witness_weight": 39}
+{"canonical_digest": "4788b488b1d95a6c2b554ad9020e1e5d07fc0b348dfd608f8057caea4926de1c", "code": "[[254,2,d<=39]]", "cohort_rank": 5, "construction": {"A_terms": [[0, 16], [0, 119]], "B_terms": [[0, 48], [0, 56], [0, 81], [0, 103]], "ell": 1, "family": "twisted_torus", "m": 127, "twist": 25}, "distance_lower_bound": null, "distance_upper_bound": 39, "evidence_level": "fully_replayed_verified_upper_bound_witness", "exact_distance": null, "fom_gt_12_possible": false, "fom_gte_12_possible": false, "fom_upper_bound": {"decimal": 11.976377952755906, "denominator": 127, "numerator": 1521}, "gap_to_fom_12": {"decimal": 0.023622047244094488, "denominator": 127, "numerator": 3}, "k": 2, "n": 254, "novelty": {"checked": true, "novel": true, "registry_content_sha256": "265f1a3fefef884adeaa980a5dce2441dee4f6f6d71c253ba7a6491360733689", "replayed_from_construction": true}, "pipeline_promotion": false, "publication_certificate": false, "record_kind": "stage2_best_verified_candidate", "record_sha256": "378ab954db61be802ece2b636c6c1842eae24318c0173698ac532e4947fe0655", "scope_note": "One of 13 fully replayed top-K Stage 2 records. At the latest ACK boundary 102 rows shared the raw score; this release does not claim full replay of all 102 raw ties.", "selection_ack": {"ack_sha256": "d356b9f66b83dfcae795bb0b458fdba04f1f3170d1abec777b88ac4ecfcfe050", "page_sha256": "81cc6d74a296b46f61e5337e59e41d393c699b1d8562a9faf85209ea713a3fb7", "sequence": 14, "snapshot_identity_sha256": "68301ae1caa36c3a80506833db5932272717e79c99ef10d52011dcc6392959e1"}, "stage": "stage_2", "status": "REJECTED_NEAR_MISS", "target": {"inclusive_mode": "scalar-fom-inclusive-v1", "inclusive_required_distance": 40, "strict_predicate": "k*d*d > 12*n", "strict_required_distance": 40}, "witness_sector": "X", "witness_sha256": "cc9d0f9b49fafbc6953dd092fa3547055e46551a1289e2953cb0433b7dbbbec0", "witness_weight": 39}
+{"canonical_digest": "61e299322e2e9efdfed85ec5ac9215ec6a4e459b3a071a2578f8c0f2049456c3", "code": "[[254,2,d<=39]]", "cohort_rank": 6, "construction": {"A_terms": [[0, 46], [0, 57]], "B_terms": [[0, 53], [0, 60], [0, 82], [0, 110]], "ell": 1, "family": "twisted_torus", "m": 127, "twist": 25}, "distance_lower_bound": null, "distance_upper_bound": 39, "evidence_level": "fully_replayed_verified_upper_bound_witness", "exact_distance": null, "fom_gt_12_possible": false, "fom_gte_12_possible": false, "fom_upper_bound": {"decimal": 11.976377952755906, "denominator": 127, "numerator": 1521}, "gap_to_fom_12": {"decimal": 0.023622047244094488, "denominator": 127, "numerator": 3}, "k": 2, "n": 254, "novelty": {"checked": true, "novel": true, "registry_content_sha256": "265f1a3fefef884adeaa980a5dce2441dee4f6f6d71c253ba7a6491360733689", "replayed_from_construction": true}, "pipeline_promotion": false, "publication_certificate": false, "record_kind": "stage2_best_verified_candidate", "record_sha256": "4687632277d486af17c8258c05c35fa9d295bad3f9ca355d2d41bc4eb783cd29", "scope_note": "One of 13 fully replayed top-K Stage 2 records. At the latest ACK boundary 102 rows shared the raw score; this release does not claim full replay of all 102 raw ties.", "selection_ack": {"ack_sha256": "c5fc5f4b8a84b2434fb1bf50d3718eb0080b3da59f1e124c159677dc33e6f8dc", "page_sha256": "74e5af8aa0eca22262d2d74e3e520586a6203251dec87901cf36e304bb2c4632", "sequence": 11, "snapshot_identity_sha256": "68301ae1caa36c3a80506833db5932272717e79c99ef10d52011dcc6392959e1"}, "stage": "stage_2", "status": "REJECTED_NEAR_MISS", "target": {"inclusive_mode": "scalar-fom-inclusive-v1", "inclusive_required_distance": 40, "strict_predicate": "k*d*d > 12*n", "strict_required_distance": 40}, "witness_sector": "X", "witness_sha256": "531fe1f6ac0051f7954bfded61b2a73bda3fb4deab5f9e3cdddfb25c24793446", "witness_weight": 39}
+{"canonical_digest": "73ecb50d5d1835a5881f917200af81672f440bef784dc4772517b6b4f1630c93", "code": "[[254,2,d<=39]]", "cohort_rank": 7, "construction": {"A_terms": [[0, 96], [0, 122]], "B_terms": [[0, 49], [0, 76], [0, 98], [0, 123]], "ell": 1, "family": "twisted_torus", "m": 127, "twist": 25}, "distance_lower_bound": null, "distance_upper_bound": 39, "evidence_level": "fully_replayed_verified_upper_bound_witness", "exact_distance": null, "fom_gt_12_possible": false, "fom_gte_12_possible": false, "fom_upper_bound": {"decimal": 11.976377952755906, "denominator": 127, "numerator": 1521}, "gap_to_fom_12": {"decimal": 0.023622047244094488, "denominator": 127, "numerator": 3}, "k": 2, "n": 254, "novelty": {"checked": true, "novel": true, "registry_content_sha256": "265f1a3fefef884adeaa980a5dce2441dee4f6f6d71c253ba7a6491360733689", "replayed_from_construction": true}, "pipeline_promotion": false, "publication_certificate": false, "record_kind": "stage2_best_verified_candidate", "record_sha256": "a9353364f1c2b4ae290f39dbb6da5ecc3381569467e0493a34c8cf9ed33f4c8b", "scope_note": "One of 13 fully replayed top-K Stage 2 records. At the latest ACK boundary 102 rows shared the raw score; this release does not claim full replay of all 102 raw ties.", "selection_ack": {"ack_sha256": "f189533cccd63ec4d55f0cec751ccd5083645ad5901e69fd490bbb25348804d1", "page_sha256": "be43a5be30c24b2cd9ead3520f6b20fbe402558c3cf4e0988d9818c47e7e3727", "sequence": 9, "snapshot_identity_sha256": "68301ae1caa36c3a80506833db5932272717e79c99ef10d52011dcc6392959e1"}, "stage": "stage_2", "status": "REJECTED_NEAR_MISS", "target": {"inclusive_mode": "scalar-fom-inclusive-v1", "inclusive_required_distance": 40, "strict_predicate": "k*d*d > 12*n", "strict_required_distance": 40}, "witness_sector": "X", "witness_sha256": "f8a7b456bcfd1cab2d37971f29d6e56046843a66483e73e73f9adffa963ea565", "witness_weight": 39}
+{"canonical_digest": "8467dda8a5cdcfcc20b19b940902b5fb44d8180aabeed35ba3541871ad52ae72", "code": "[[254,2,d<=39]]", "cohort_rank": 8, "construction": {"A_terms": [[0, 37], [0, 61]], "B_terms": [[0, 72], [0, 77], [0, 95], [0, 101]], "ell": 1, "family": "twisted_torus", "m": 127, "twist": 25}, "distance_lower_bound": null, "distance_upper_bound": 39, "evidence_level": "fully_replayed_verified_upper_bound_witness", "exact_distance": null, "fom_gt_12_possible": false, "fom_gte_12_possible": false, "fom_upper_bound": {"decimal": 11.976377952755906, "denominator": 127, "numerator": 1521}, "gap_to_fom_12": {"decimal": 0.023622047244094488, "denominator": 127, "numerator": 3}, "k": 2, "n": 254, "novelty": {"checked": true, "novel": true, "registry_content_sha256": "265f1a3fefef884adeaa980a5dce2441dee4f6f6d71c253ba7a6491360733689", "replayed_from_construction": true}, "pipeline_promotion": false, "publication_certificate": false, "record_kind": "stage2_best_verified_candidate", "record_sha256": "aaf3db6e7393ff179980789bfe058cc7bb4f4b60f54cfb87ea5de4b6c294d0b3", "scope_note": "One of 13 fully replayed top-K Stage 2 records. At the latest ACK boundary 102 rows shared the raw score; this release does not claim full replay of all 102 raw ties.", "selection_ack": {"ack_sha256": "fc793d28a2da265fa7717ea45c3b580cf8f6165400abd9e76d1eac26fe2e0273", "page_sha256": "2ac6b933532166cd5f770af33e639f9e64a980ccf2c835abb4907f5cf0b0b206", "sequence": 0, "snapshot_identity_sha256": "68301ae1caa36c3a80506833db5932272717e79c99ef10d52011dcc6392959e1"}, "stage": "stage_2", "status": "REJECTED_NEAR_MISS", "target": {"inclusive_mode": "scalar-fom-inclusive-v1", "inclusive_required_distance": 40, "strict_predicate": "k*d*d > 12*n", "strict_required_distance": 40}, "witness_sector": "X", "witness_sha256": "5c11d1cfff56f89c3beb3f39d42fd6cf164d0d0faf084e2603a02bdf4f3db1c0", "witness_weight": 39}
+{"canonical_digest": "a94becb8342fef2b07caaa4adbd67bb5f2acbae727603aa72dffb1dfd14d6e6e", "code": "[[254,2,d<=39]]", "cohort_rank": 9, "construction": {"A_terms": [[0, 12], [0, 108]], "B_terms": [[0, 0], [0, 7], [0, 43], [0, 102]], "ell": 1, "family": "twisted_torus", "m": 127, "twist": 25}, "distance_lower_bound": null, "distance_upper_bound": 39, "evidence_level": "fully_replayed_verified_upper_bound_witness", "exact_distance": null, "fom_gt_12_possible": false, "fom_gte_12_possible": false, "fom_upper_bound": {"decimal": 11.976377952755906, "denominator": 127, "numerator": 1521}, "gap_to_fom_12": {"decimal": 0.023622047244094488, "denominator": 127, "numerator": 3}, "k": 2, "n": 254, "novelty": {"checked": true, "novel": true, "registry_content_sha256": "265f1a3fefef884adeaa980a5dce2441dee4f6f6d71c253ba7a6491360733689", "replayed_from_construction": true}, "pipeline_promotion": false, "publication_certificate": false, "record_kind": "stage2_best_verified_candidate", "record_sha256": "a1e224461372e83fe7c662b3608de684203c2ca7e40313c6b4ce75216183e281", "scope_note": "One of 13 fully replayed top-K Stage 2 records. At the latest ACK boundary 102 rows shared the raw score; this release does not claim full replay of all 102 raw ties.", "selection_ack": {"ack_sha256": "39b12a29f120bd9923b6e7ecdf49408aeb389de3007ed5e54b71b9c30524819d", "page_sha256": "3a0e9ab120a2b8c5aa3687a3746e03982a351df94fbaeb6a3c6b1b9e61cc2115", "sequence": 4, "snapshot_identity_sha256": "68301ae1caa36c3a80506833db5932272717e79c99ef10d52011dcc6392959e1"}, "stage": "stage_2", "status": "REJECTED_NEAR_MISS", "target": {"inclusive_mode": "scalar-fom-inclusive-v1", "inclusive_required_distance": 40, "strict_predicate": "k*d*d > 12*n", "strict_required_distance": 40}, "witness_sector": "X", "witness_sha256": "7d174ac5446699e927630ac0096c1fefb15ed4f650b59094471578365d6e575b", "witness_weight": 39}
+{"canonical_digest": "d7ab70d7303686512c94bf96b807c387f5482bd51eebdd350528756509bd183f", "code": "[[254,2,d<=39]]", "cohort_rank": 10, "construction": {"A_terms": [[0, 43], [0, 89]], "B_terms": [[0, 9], [0, 80], [0, 84], [0, 116]], "ell": 1, "family": "twisted_torus", "m": 127, "twist": 25}, "distance_lower_bound": null, "distance_upper_bound": 39, "evidence_level": "fully_replayed_verified_upper_bound_witness", "exact_distance": null, "fom_gt_12_possible": false, "fom_gte_12_possible": false, "fom_upper_bound": {"decimal": 11.976377952755906, "denominator": 127, "numerator": 1521}, "gap_to_fom_12": {"decimal": 0.023622047244094488, "denominator": 127, "numerator": 3}, "k": 2, "n": 254, "novelty": {"checked": true, "novel": true, "registry_content_sha256": "265f1a3fefef884adeaa980a5dce2441dee4f6f6d71c253ba7a6491360733689", "replayed_from_construction": true}, "pipeline_promotion": false, "publication_certificate": false, "record_kind": "stage2_best_verified_candidate", "record_sha256": "7cb7700684ee4250b2ce7a85a861e96651cebae41cc39ee70a8aaef879c2374f", "scope_note": "One of 13 fully replayed top-K Stage 2 records. At the latest ACK boundary 102 rows shared the raw score; this release does not claim full replay of all 102 raw ties.", "selection_ack": {"ack_sha256": "f611f9ee92b0c5acbd2348e52299a6bb497a08953a146e09fac3dfec2f9c0370", "page_sha256": "2d208e08172c5ab91e84aed62ea2db1a30a8bcda6e73bd162e18c0c726a3ed23", "sequence": 13, "snapshot_identity_sha256": "68301ae1caa36c3a80506833db5932272717e79c99ef10d52011dcc6392959e1"}, "stage": "stage_2", "status": "REJECTED_NEAR_MISS", "target": {"inclusive_mode": "scalar-fom-inclusive-v1", "inclusive_required_distance": 40, "strict_predicate": "k*d*d > 12*n", "strict_required_distance": 40}, "witness_sector": "X", "witness_sha256": "182c5fb83bab2b8f1e83af3f6bca801b22ee4187d662a967f30784a679631dbc", "witness_weight": 39}
+{"canonical_digest": "e90d6a258e4179ef067d125f20df0d6ade59866d7eca0760003966ad645230b5", "code": "[[254,2,d<=39]]", "cohort_rank": 11, "construction": {"A_terms": [[0, 36], [0, 80]], "B_terms": [[0, 14], [0, 52], [0, 59], [0, 72]], "ell": 1, "family": "twisted_torus", "m": 127, "twist": 25}, "distance_lower_bound": null, "distance_upper_bound": 39, "evidence_level": "fully_replayed_verified_upper_bound_witness", "exact_distance": null, "fom_gt_12_possible": false, "fom_gte_12_possible": false, "fom_upper_bound": {"decimal": 11.976377952755906, "denominator": 127, "numerator": 1521}, "gap_to_fom_12": {"decimal": 0.023622047244094488, "denominator": 127, "numerator": 3}, "k": 2, "n": 254, "novelty": {"checked": true, "novel": true, "registry_content_sha256": "265f1a3fefef884adeaa980a5dce2441dee4f6f6d71c253ba7a6491360733689", "replayed_from_construction": true}, "pipeline_promotion": false, "publication_certificate": false, "record_kind": "stage2_best_verified_candidate", "record_sha256": "670e27480950bdd82772991ace72700dc07781da77ec85700b01491a3485b731", "scope_note": "One of 13 fully replayed top-K Stage 2 records. At the latest ACK boundary 102 rows shared the raw score; this release does not claim full replay of all 102 raw ties.", "selection_ack": {"ack_sha256": "280c4a24ade54ea71f38daaf5e505e4fbdcd7a16cb103e304e4f93a14cb349e8", "page_sha256": "11ee80d5010f3fd6a95c6a926ed843d198990d00c79788d06d60d68ba1b48831", "sequence": 10, "snapshot_identity_sha256": "68301ae1caa36c3a80506833db5932272717e79c99ef10d52011dcc6392959e1"}, "stage": "stage_2", "status": "REJECTED_NEAR_MISS", "target": {"inclusive_mode": "scalar-fom-inclusive-v1", "inclusive_required_distance": 40, "strict_predicate": "k*d*d > 12*n", "strict_required_distance": 40}, "witness_sector": "X", "witness_sha256": "fc1d57fcacb397c72a7df8293f456798a8a5fda8a8e6133da96a79dfd18d61a6", "witness_weight": 39}
+{"canonical_digest": "f076a0233f0b97d3c31999c526e55d9a9480552ab66a3fd7d2a259d54ad2f624", "code": "[[254,2,d<=39]]", "cohort_rank": 12, "construction": {"A_terms": [[0, 104], [0, 121]], "B_terms": [[0, 24], [0, 52], [0, 110], [0, 121]], "ell": 1, "family": "twisted_torus", "m": 127, "twist": 25}, "distance_lower_bound": null, "distance_upper_bound": 39, "evidence_level": "fully_replayed_verified_upper_bound_witness", "exact_distance": null, "fom_gt_12_possible": false, "fom_gte_12_possible": false, "fom_upper_bound": {"decimal": 11.976377952755906, "denominator": 127, "numerator": 1521}, "gap_to_fom_12": {"decimal": 0.023622047244094488, "denominator": 127, "numerator": 3}, "k": 2, "n": 254, "novelty": {"checked": true, "novel": true, "registry_content_sha256": "265f1a3fefef884adeaa980a5dce2441dee4f6f6d71c253ba7a6491360733689", "replayed_from_construction": true}, "pipeline_promotion": false, "publication_certificate": false, "record_kind": "stage2_best_verified_candidate", "record_sha256": "c1126d1f66fd8ed463d0734996c7e928d8b02294d10674fc680094d87dfe0ed7", "scope_note": "One of 13 fully replayed top-K Stage 2 records. At the latest ACK boundary 102 rows shared the raw score; this release does not claim full replay of all 102 raw ties.", "selection_ack": {"ack_sha256": "0982b7573b7143a2c374b9aabc96a0aa0ec77db5d0a195c5cabfc80250fc247b", "page_sha256": "60fbc3ebc18761a37779f60f81452ad15a372e9e2ccd9450e73861e7f1a6492c", "sequence": 6, "snapshot_identity_sha256": "68301ae1caa36c3a80506833db5932272717e79c99ef10d52011dcc6392959e1"}, "stage": "stage_2", "status": "REJECTED_NEAR_MISS", "target": {"inclusive_mode": "scalar-fom-inclusive-v1", "inclusive_required_distance": 40, "strict_predicate": "k*d*d > 12*n", "strict_required_distance": 40}, "witness_sector": "X", "witness_sha256": "703de8e0c8a191fca88e893205b625d486fc67e780c907181b3d175cfbbfe1f3", "witness_weight": 39}
+{"canonical_digest": "fde66efa9b5ca7f80de5615d3dc77ca92b27ee978f0986af5a41b5612236cba0", "code": "[[254,2,d<=39]]", "cohort_rank": 13, "construction": {"A_terms": [[0, 13], [0, 99]], "B_terms": [[0, 0], [0, 34], [0, 102], [0, 111]], "ell": 1, "family": "twisted_torus", "m": 127, "twist": 25}, "distance_lower_bound": null, "distance_upper_bound": 39, "evidence_level": "fully_replayed_verified_upper_bound_witness", "exact_distance": null, "fom_gt_12_possible": false, "fom_gte_12_possible": false, "fom_upper_bound": {"decimal": 11.976377952755906, "denominator": 127, "numerator": 1521}, "gap_to_fom_12": {"decimal": 0.023622047244094488, "denominator": 127, "numerator": 3}, "k": 2, "n": 254, "novelty": {"checked": true, "novel": true, "registry_content_sha256": "265f1a3fefef884adeaa980a5dce2441dee4f6f6d71c253ba7a6491360733689", "replayed_from_construction": true}, "pipeline_promotion": false, "publication_certificate": false, "record_kind": "stage2_best_verified_candidate", "record_sha256": "d518441ff1599436c5cb7eff41c66be9e40ca04bbbb43b470a7abef082b0ad51", "scope_note": "One of 13 fully replayed top-K Stage 2 records. At the latest ACK boundary 102 rows shared the raw score; this release does not claim full replay of all 102 raw ties.", "selection_ack": {"ack_sha256": "d356b9f66b83dfcae795bb0b458fdba04f1f3170d1abec777b88ac4ecfcfe050", "page_sha256": "81cc6d74a296b46f61e5337e59e41d393c699b1d8562a9faf85209ea713a3fb7", "sequence": 14, "snapshot_identity_sha256": "68301ae1caa36c3a80506833db5932272717e79c99ef10d52011dcc6392959e1"}, "stage": "stage_2", "status": "REJECTED_NEAR_MISS", "target": {"inclusive_mode": "scalar-fom-inclusive-v1", "inclusive_required_distance": 40, "strict_predicate": "k*d*d > 12*n", "strict_required_distance": 40}, "witness_sector": "X", "witness_sha256": "bd7d128cf6031480bdc356289ce65226647eff56bac546fa7c92632d66fd5044", "witness_weight": 39}

docs/STAGE2_BEST_RESULT.md

@@ -0,0 +1,34 @@
+# Stage 2 best verified near-miss cohort
+
+This release is a **Stage 2 rejection result**, not a winner announcement and
+not an exact-distance table.
+
+- Stage: `stage_2`
+- Status: `REJECTED_NEAR_MISS`
+- Released cohort: 13 fully replayed candidates
+- Shared parameters: `[[254,2,d<=39]]`
+- Verified upper-bound FOM: `2*39^2/254 = 1521/127 ~= 11.9763779528`
+- Exact distance: unknown (`null`)
+- Certified `FOM >= 12` or `FOM > 12`: no
+
+Each row contains a replay-verified weight-39 nontrivial logical operator.
+Therefore `d <= 39`, which rigorously excludes both threshold variants for
+these candidates. The later exactification jobs did not finish, so no row is
+reported as exact.
+
+## Cohort scope
+
+At the source boundary (44 completed ACK pages, last zero-based page sequence
+43, 57,248 committed digests), a lightweight scan found 102 rows tied at the
+same raw upper-bound score. Only the 13-member top-K cohort published here had
+the full replay required for this release. Do not interpret this dataset
+configuration as full verification of all 102 raw ties.
+
+## Files
+
+- `data/stage2_best_verified.jsonl`: readable candidate records.
+- `evidence/stage2_best_verified.jsonl`: sanitized witness and ACK bindings.
+- `manifests/stage2_best_verified.json`: cohort/source manifest.
+
+Local paths, commands, PIDs, logs, prompts, and credentials are intentionally
+excluded.

evidence/stage2_best_verified.jsonl

@@ -0,0 +1,13 @@
+{"artifact_sha256": "4d6cff6b25eb39c8b7ac2557e8d04231c7075769a81ad035330368c9a6f9193f", "candidate_sha256": "0629b623aedf2759a5b0f8090e4690c3e4369043087733868ab8ad77dc1589d3", "canonical_digest": "2f6fea68a7d24353d7838a5041c5c2e376e66d0a197adb6c66057510d6895851", "cohort_rank": 1, "distance_lower_bound": null, "distance_upper_bound": 39, "exact_distance": null, "fom_gt_12_possible": false, "fom_gte_12_possible": false, "fom_upper_bound": {"decimal": 11.976377952755906, "denominator": 127, "numerator": 1521}, "full_replay": {"exactification_note": "The later exactification attempt was incomplete. It is not used as an exact-distance claim; only the verified Stage 2 upper-bound witness is published here.", "exactification_state": "INCOMPLETE", "input_sha256": "aacf899fbec77710fd3425a59a6e0fadd782fb341ba06bc7ba23c9abfe4e33cb", "method": "raw-advisory-boundary-then-full-replay-v1", "verified": true}, "gap_to_fom_12": {"decimal": 0.023622047244094488, "denominator": 127, "numerator": 3}, "k": 2, "logical_operator": {"anchor_indices": [0, 127], "formulation": "css-sector-xor-cpsat-v1", "length": 254, "logical_syndrome": [1, 0], "operator_sha256": "d9bdb4ce778361c9a57cf5d0daa35b399feb9fa71bd0ddfc94cae72d048bfc04", "packed_hex": "280120120012080002040040a20000c20000b820c00084002012418009140005", "resumed_replay_verified": true, "sector": "X", "solver": "ortools-cp-sat", "solver_version": "9.14.6206", "weight": 39, "witness_verified": true}, "n": 254, "pipeline_promotion": false, "publication_certificate": false, "record_kind": "stage2_best_verified_evidence", "record_sha256": "84fcc3e0285632d6c560cdeb802e9542c3f011ad92413e54ca32c66ab1f31acb", "selection_ack": {"ack_sha256": "d356b9f66b83dfcae795bb0b458fdba04f1f3170d1abec777b88ac4ecfcfe050", "ledger_binding_sha256": "cb786f019313fcf7cc8f4fb53cbfda214b6f649c8a776895e5fe4521d24f6d54", "page_sha256": "81cc6d74a296b46f61e5337e59e41d393c699b1d8562a9faf85209ea713a3fb7", "previous_ack_sha256": "f611f9ee92b0c5acbd2348e52299a6bb497a08953a146e09fac3dfec2f9c0370", "sequence": 14, "snapshot_identity_sha256": "68301ae1caa36c3a80506833db5932272717e79c99ef10d52011dcc6392959e1"}, "stage": "stage_2", "stage2_source_fingerprint": "162714e092012743c21a3fb62ba5c90bf272c931c5a48baf21e0a6042500ca6f", "status": "REJECTED_NEAR_MISS", "target_binding_sha256": "68decaf7fecd75b5a82e0eb58416d2531590fd85a72da52e3c90c6a38fe660c9", "translation_symmetry": {"block_size": 127, "method": "bb-quotient-translation-row-set-v2", "translation_symmetry_sha256": "a306a31866a4607586679680f14249f2a4eb6fc1a715a9e65a91c711c8758466", "verified": true}}
+{"artifact_sha256": "8d2711b4275b08559d2ec98a41b31490ad68fc0c54e1ef5f50b7e75597b2ef17", "candidate_sha256": "0e5af960ab0290089e787333eee45acc2c78074b956d59652856d918d230cd5e", "canonical_digest": "35743cca71ff20ef56294054e03f8a3c7a4291d5a2fb9705aede420696bc475d", "cohort_rank": 2, "distance_lower_bound": null, "distance_upper_bound": 39, "exact_distance": null, "fom_gt_12_possible": false, "fom_gte_12_possible": false, "fom_upper_bound": {"decimal": 11.976377952755906, "denominator": 127, "numerator": 1521}, "full_replay": {"exactification_note": "The later exactification attempt was incomplete. It is not used as an exact-distance claim; only the verified Stage 2 upper-bound witness is published here.", "exactification_state": "INCOMPLETE", "input_sha256": "98da7301cbe626a2703b1f80b0c53eac3b92d5295a6db9686cd50306d982e35c", "method": "raw-advisory-boundary-then-full-replay-v1", "verified": true}, "gap_to_fom_12": {"decimal": 0.023622047244094488, "denominator": 127, "numerator": 3}, "k": 2, "logical_operator": {"anchor_indices": [0, 127], "formulation": "css-sector-xor-cpsat-v1", "length": 254, "logical_syndrome": [0, 1], "operator_sha256": "b29359564d3f8105c34741c71864d811edfb27e633dd245f115deb28ef2001f6", "packed_hex": "110140020b884000100044100904241048010480020004120090640000090402", "resumed_replay_verified": true, "sector": "X", "solver": "ortools-cp-sat", "solver_version": "9.14.6206", "weight": 39, "witness_verified": true}, "n": 254, "pipeline_promotion": false, "publication_certificate": false, "record_kind": "stage2_best_verified_evidence", "record_sha256": "74bbefffbb91d54a784017ebf95e13221573b6b153c6323fcc3bdb6dde6fb764", "selection_ack": {"ack_sha256": "5d887200174e0bb00baf9c03a06cf176da03ef544feb9d2886837302656dfee5", "ledger_binding_sha256": "cb786f019313fcf7cc8f4fb53cbfda214b6f649c8a776895e5fe4521d24f6d54", "page_sha256": "212d1c45bcf48b13149226849c3c1dc905b7d5e6a7e905464a274c07058b758d", "previous_ack_sha256": "be1708546b89f1c9e40674bbc835dcb19273f7dee78b8c223f42446eded81ee3", "sequence": 16, "snapshot_identity_sha256": "68301ae1caa36c3a80506833db5932272717e79c99ef10d52011dcc6392959e1"}, "stage": "stage_2", "stage2_source_fingerprint": "162714e092012743c21a3fb62ba5c90bf272c931c5a48baf21e0a6042500ca6f", "status": "REJECTED_NEAR_MISS", "target_binding_sha256": "68decaf7fecd75b5a82e0eb58416d2531590fd85a72da52e3c90c6a38fe660c9", "translation_symmetry": {"block_size": 127, "method": "bb-quotient-translation-row-set-v2", "translation_symmetry_sha256": "a306a31866a4607586679680f14249f2a4eb6fc1a715a9e65a91c711c8758466", "verified": true}}
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+{"artifact_sha256": "ec66cd2f48f3e265545f72c8f9d0bbc465f354809174ec4951b6c5c1185e9f73", "candidate_sha256": "091475bac250f7a616e9433b620201cfa31920b0c638fbe66c5b281aa9bf6f3c", "canonical_digest": "e90d6a258e4179ef067d125f20df0d6ade59866d7eca0760003966ad645230b5", "cohort_rank": 11, "distance_lower_bound": null, "distance_upper_bound": 39, "exact_distance": null, "fom_gt_12_possible": false, "fom_gte_12_possible": false, "fom_upper_bound": {"decimal": 11.976377952755906, "denominator": 127, "numerator": 1521}, "full_replay": {"exactification_note": "The later exactification attempt was incomplete. It is not used as an exact-distance claim; only the verified Stage 2 upper-bound witness is published here.", "exactification_state": "INCOMPLETE", "input_sha256": "b5b41c1ecf142546266f813c622fa320ca8f40b61495f1714ac393cb3dde8920", "method": "raw-advisory-boundary-then-full-replay-v1", "verified": true}, "gap_to_fom_12": {"decimal": 0.023622047244094488, "denominator": 127, "numerator": 3}, "k": 2, "logical_operator": {"anchor_indices": [0, 127], "formulation": "css-sector-xor-cpsat-v1", "length": 254, "logical_syndrome": [0, 1], "operator_sha256": "fc1d57fcacb397c72a7df8293f456798a8a5fda8a8e6133da96a79dfd18d61a6", "packed_hex": "0040021001000008003002000080008061c80800a390b0080834085006001101", "resumed_replay_verified": true, "sector": "X", "solver": "ortools-cp-sat", "solver_version": "9.14.6206", "weight": 39, "witness_verified": true}, "n": 254, "pipeline_promotion": false, "publication_certificate": false, "record_kind": "stage2_best_verified_evidence", "record_sha256": "b2e925a49efa08f49b83b9582b77fb050783414188e50fa811be062b62752fae", "selection_ack": {"ack_sha256": "280c4a24ade54ea71f38daaf5e505e4fbdcd7a16cb103e304e4f93a14cb349e8", "ledger_binding_sha256": "cb786f019313fcf7cc8f4fb53cbfda214b6f649c8a776895e5fe4521d24f6d54", "page_sha256": "11ee80d5010f3fd6a95c6a926ed843d198990d00c79788d06d60d68ba1b48831", "previous_ack_sha256": "f189533cccd63ec4d55f0cec751ccd5083645ad5901e69fd490bbb25348804d1", "sequence": 10, "snapshot_identity_sha256": "68301ae1caa36c3a80506833db5932272717e79c99ef10d52011dcc6392959e1"}, "stage": "stage_2", "stage2_source_fingerprint": "162714e092012743c21a3fb62ba5c90bf272c931c5a48baf21e0a6042500ca6f", "status": "REJECTED_NEAR_MISS", "target_binding_sha256": "68decaf7fecd75b5a82e0eb58416d2531590fd85a72da52e3c90c6a38fe660c9", "translation_symmetry": {"block_size": 127, "method": "bb-quotient-translation-row-set-v2", "translation_symmetry_sha256": "a306a31866a4607586679680f14249f2a4eb6fc1a715a9e65a91c711c8758466", "verified": true}}
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+{"artifact_sha256": "4df66e4238ca7343f48b18479bd9352c2a9a73d5452bab2ed998f573eb7a9fbc", "candidate_sha256": "dbadbd11c5028827d65f1ca501e49e344684bb87847276ce5a600b484575060a", "canonical_digest": "fde66efa9b5ca7f80de5615d3dc77ca92b27ee978f0986af5a41b5612236cba0", "cohort_rank": 13, "distance_lower_bound": null, "distance_upper_bound": 39, "exact_distance": null, "fom_gt_12_possible": false, "fom_gte_12_possible": false, "fom_upper_bound": {"decimal": 11.976377952755906, "denominator": 127, "numerator": 1521}, "full_replay": {"exactification_note": "The later exactification attempt was incomplete. It is not used as an exact-distance claim; only the verified Stage 2 upper-bound witness is published here.", "exactification_state": "INCOMPLETE", "input_sha256": "a36db49f37884ecd1f4a084f2f23edb7756a77d7ee71cffcee5f7bf10c4019a0", "method": "raw-advisory-boundary-then-full-replay-v1", "verified": true}, "gap_to_fom_12": {"decimal": 0.023622047244094488, "denominator": 127, "numerator": 3}, "k": 2, "logical_operator": {"anchor_indices": [0, 127], "formulation": "css-sector-xor-cpsat-v1", "length": 254, "logical_syndrome": [1, 0], "operator_sha256": "bd7d128cf6031480bdc356289ce65226647eff56bac546fa7c92632d66fd5044", "packed_hex": "01000000008a02000000001020100040142c40684c0402a4808c084408101811", "resumed_replay_verified": true, "sector": "X", "solver": "ortools-cp-sat", "solver_version": "9.14.6206", "weight": 39, "witness_verified": true}, "n": 254, "pipeline_promotion": false, "publication_certificate": false, "record_kind": "stage2_best_verified_evidence", "record_sha256": "689bc27895426ef5bdc5d1c5300faf89236b29144e459e636382d0b6c26e6bd6", "selection_ack": {"ack_sha256": "d356b9f66b83dfcae795bb0b458fdba04f1f3170d1abec777b88ac4ecfcfe050", "ledger_binding_sha256": "cb786f019313fcf7cc8f4fb53cbfda214b6f649c8a776895e5fe4521d24f6d54", "page_sha256": "81cc6d74a296b46f61e5337e59e41d393c699b1d8562a9faf85209ea713a3fb7", "previous_ack_sha256": "f611f9ee92b0c5acbd2348e52299a6bb497a08953a146e09fac3dfec2f9c0370", "sequence": 14, "snapshot_identity_sha256": "68301ae1caa36c3a80506833db5932272717e79c99ef10d52011dcc6392959e1"}, "stage": "stage_2", "stage2_source_fingerprint": "162714e092012743c21a3fb62ba5c90bf272c931c5a48baf21e0a6042500ca6f", "status": "REJECTED_NEAR_MISS", "target_binding_sha256": "68decaf7fecd75b5a82e0eb58416d2531590fd85a72da52e3c90c6a38fe660c9", "translation_symmetry": {"block_size": 127, "method": "bb-quotient-translation-row-set-v2", "translation_symmetry_sha256": "a306a31866a4607586679680f14249f2a4eb6fc1a715a9e65a91c711c8758466", "verified": true}}

manifests/SHA256SUMS

@@ -1,6 +1,6 @@
 ffe79769ee48619a33c8049eef31be7f633ca00cf0fa1d4d852cbd1e4f9d8936  CITATION.cff
 c71d239df91726fc519c6eb72d318ec65820627232b2f796219e87dcf35d0ab4  LICENSE
-13ea711fdbf0eb7e403c39409d829e10b5a6e56877b713c61754b16d2643481a  README.md
+21f54159c99a91ea797a65d0b1882f93bd4c1eeba6dce556e39eff2cd431ffcb  README.md
 95a5ec2a8c23f4aab17998c6fad05490a316c083983d7183feaad075e3dff397  THIRD_PARTY_NOTICES.md
 9476a8f02cd6c3e09e0ff73f4d5013f3b98902b3d157072c233f5012cd60d00b  config/run_config.public.json
 6db5c6d622831117e5e8276d9d87d22b01889082b1f6fd74b770ed1b4abb6edb  data/candidates.jsonl
@@ -118,3 +118,7 @@ a0f710dd60e6383e495524189f794d8cbf48fef7c56923fc347456806d268f27  matrices/fe0e3
 7adf6f4a93cb321fa0501cbb62723370cdbc3a85db7d9e2565cc086ea6a00687  reference/known_answer_gate.json
 1e67120095a358bbcb2166a6804479655dc3bdd8b36c4d12bc56f73d5e741140  reference/known_answer_trust.json
 e42c1f3705cfb705198732c64449e1a2dafc91df11426efdd033701077d90356  scripts/verify_dataset.py
+a910a0b82c8e86b8784052f038e8287f3a45f2f6e807cd9804d293cddd07a385  data/stage2_best_verified.jsonl
+e20a073c69c2fa9fdb8182063ab592c3f3c757323b2d116142b3befc61d43034  docs/STAGE2_BEST_RESULT.md
+0aea4cf3413f06796db3b0c5f4bae97712c35db6b834f419a59e77bd10e00f9f  evidence/stage2_best_verified.jsonl
+21669a77c80405f611407140fbe5b9b6895db729e1deae61eb93d23675f7178c  manifests/stage2_best_verified.json

manifests/stage2_best_verified.json

@@ -0,0 +1,58 @@
+{
+  "canonical_digests": [
+    "2f6fea68a7d24353d7838a5041c5c2e376e66d0a197adb6c66057510d6895851",
+    "35743cca71ff20ef56294054e03f8a3c7a4291d5a2fb9705aede420696bc475d",
+    "40f38782612c4829d21c1cefffb8d2a21d9a8b8003c3a46f34c7db13fbbfc049",
+    "4401d7ee7623ee46a19af91c7ce03196248102a2929c22167d2505f8b1763625",
+    "4788b488b1d95a6c2b554ad9020e1e5d07fc0b348dfd608f8057caea4926de1c",
+    "61e299322e2e9efdfed85ec5ac9215ec6a4e459b3a071a2578f8c0f2049456c3",
+    "73ecb50d5d1835a5881f917200af81672f440bef784dc4772517b6b4f1630c93",
+    "8467dda8a5cdcfcc20b19b940902b5fb44d8180aabeed35ba3541871ad52ae72",
+    "a94becb8342fef2b07caaa4adbd67bb5f2acbae727603aa72dffb1dfd14d6e6e",
+    "d7ab70d7303686512c94bf96b807c387f5482bd51eebdd350528756509bd183f",
+    "e90d6a258e4179ef067d125f20df0d6ade59866d7eca0760003966ad645230b5",
+    "f076a0233f0b97d3c31999c526e55d9a9480552ab66a3fd7d2a259d54ad2f624",
+    "fde66efa9b5ca7f80de5615d3dc77ca92b27ee978f0986af5a41b5612236cba0"
+  ],
+  "cohort": {
+    "distance_upper_bound": 39,
+    "exact_distance": null,
+    "fom_upper_denominator": 127,
+    "fom_upper_numerator": 1521,
+    "fully_replayed_records": 13,
+    "k": 2,
+    "n": 254,
+    "raw_tie_caveat": "Only this 13-member top-K cohort received the full replay used for release. The other raw ties are not represented as verified.",
+    "raw_upper_bound_ties_at_source_boundary": 102,
+    "released_records": 13
+  },
+  "created_date_utc": "2026-08-16",
+  "data_file": {
+    "path": "data/stage2_best_verified.jsonl",
+    "rows": 13,
+    "sha256": "a910a0b82c8e86b8784052f038e8287f3a45f2f6e807cd9804d293cddd07a385"
+  },
+  "evidence_file": {
+    "path": "evidence/stage2_best_verified.jsonl",
+    "rows": 13,
+    "sha256": "0aea4cf3413f06796db3b0c5f4bae97712c35db6b834f419a59e77bd10e00f9f"
+  },
+  "gate": "qcode-public-stage2-best-verified-v1",
+  "hf_base_commit": "b619ca5bfef30137e9aa06a5244684572c63011b",
+  "manifest_sha256": "97c7bf5bd34fa5b8a0c8ad6a7e4dfaca92139fc777570703c4f5dbf3100eb30a",
+  "pipeline_promotion": false,
+  "publication_certificate": false,
+  "schema_version": 1,
+  "source_boundary": {
+    "selection_ledger_committed_digests": 57248,
+    "selection_ledger_completed_pages": 44,
+    "selection_ledger_cursor": 57253,
+    "selection_ledger_generation": 0,
+    "selection_ledger_last_ack_sha256": "7dba1fb3b09b0b268c324772cdc057f73d94bc5ef64a8571d1c0078ed112248b",
+    "selection_ledger_last_page_sequence": 43,
+    "selection_ledger_progress_sha256": "bafa0c11afa870a4fa5e13cf1fd84d0085a52fb29cf0da1680a495d3388c03a9",
+    "snapshot_identity_sha256": "68301ae1caa36c3a80506833db5932272717e79c99ef10d52011dcc6392959e1"
+  },
+  "stage": "stage_2",
+  "status": "REJECTED_NEAR_MISS"
+}