docs(provenance): attest model source of record

MODEL_PROVENANCE.json

@@ -0,0 +1,85 @@
+{
+  "schema": "szl.model-source-attestation/v1",
+  "observed_at": "2026-07-12T00:27:14Z",
+  "model": {
+    "id": "SZLHOLDINGS/szl-lambda-gate",
+    "repository_type": "model",
+    "artifact_kind": "kernel-code-and-configuration",
+    "trained_weights_present": false
+  },
+  "source_of_record": {
+    "state": "VERIFIED_HF_SOURCE_OF_RECORD",
+    "platform": "huggingface",
+    "repository": "SZLHOLDINGS/szl-lambda-gate",
+    "artifact_base_revision": "fb0481cfc4046c52898aa83a96b1c118a6372f1a",
+    "artifact_base_state": "MEASURED_PRE_ATTESTATION_BASE",
+    "artifact_base_url": "https://huggingface.co/SZLHOLDINGS/szl-lambda-gate/tree/fb0481cfc4046c52898aa83a96b1c118a6372f1a",
+    "file_count": 10,
+    "tree_sha256": "439f5a91386453cc1d6d5248dd5f80915b2c87e1a7d079fda38eef420103e3f2",
+    "tree_hash_algorithm": "sha256 of UTF-8 path + NUL + per-file sha256 + LF, sorted by path; .cache excluded"
+  },
+  "public_github": {
+    "state": "VERIFIED_DOWNSTREAM_MIRROR_WITH_DIVERGENCE",
+    "repository": "szl-holdings/szl-lambda-gate",
+    "repository_url": "https://github.com/szl-holdings/szl-lambda-gate",
+    "artifact_mirror_commit": "dd6dd1160999fd0d0f61ee86b7dfce847d91f3fa",
+    "artifact_mirror_url": "https://github.com/szl-holdings/szl-lambda-gate/tree/dd6dd1160999fd0d0f61ee86b7dfce847d91f3fa",
+    "artifact_mirror_commit_declares": "Mirrors huggingface.co/SZLHOLDINGS/szl-lambda-gate",
+    "artifact_scope": {
+      "state": "PARTIAL_EXACT_MATCH_WITH_DECLARED_HF_ORIGIN",
+      "exact_files": 4,
+      "compared_files": 5,
+      "exact_paths": [
+        {
+          "hf": "build.toml",
+          "github": "build.toml",
+          "sha256": "5c5ebbfe83770a898b8b8893e342c2c5547c65cd2b5a96146b14e3abb9411f3b"
+        },
+        {
+          "hf": "build/torch-universal/szl_lambda_gate/__init__.py",
+          "github": "torch-ext/szl_lambda_gate/__init__.py",
+          "sha256": "6c5a954105e36c7536cff25c566c6b41889aa31740a7d188d5ab909b77d25750"
+        },
+        {
+          "hf": "build/torch-universal/szl_lambda_gate/_ops.py",
+          "github": "torch-ext/szl_lambda_gate/_ops.py",
+          "sha256": "6adf1dc42e7a9e6da914e304da9720438e59c234104e11f3e5ccaa45ecee23b6"
+        },
+        {
+          "hf": "build/torch-universal/szl_lambda_gate/layers.py",
+          "github": "torch-ext/szl_lambda_gate/layers.py",
+          "sha256": "cde2de167d89002ad0cc63a4de205848f14eae0c649c19e2a8a96665a63806f2"
+        }
+      ],
+      "divergent_path": {
+        "hf": "build/torch-universal/szl_lambda_gate/_lambda.py",
+        "hf_sha256": "fc250a19d6a302cf11b9b75fe03ec408ff1039789cceb6d2b948e2827f9c904b",
+        "github": "torch-ext/szl_lambda_gate/_lambda.py",
+        "github_sha256": "eb4cd79bc008487a4c705765deff66cff8fbe0b8024976739bc807124c79f9ec"
+      }
+    },
+    "observed_main": {
+      "commit": "d3a91edbe2595bac1ead1007963b4b7b8857eb19",
+      "state": "DIVERGENT_AFTER_HARDENING_AND_CONSOLIDATION",
+      "exact_files": 3,
+      "compared_files": 5,
+      "divergent_paths": [
+        "torch-ext/szl_lambda_gate/__init__.py",
+        "torch-ext/szl_lambda_gate/_lambda.py"
+      ]
+    }
+  },
+  "claims": {
+    "github_repository_parity": "NOT_CLAIMED",
+    "github_artifact_scope_parity": "NOT_CLAIMED_DUE_TO_RECORDED_DIVERGENCE",
+    "reproducible_build": "NOT_CLAIMED",
+    "trained_model": "NOT_CLAIMED",
+    "serving_process_revision": "NOT_APPLICABLE_REPOSITORY_ARTIFACT"
+  },
+  "limits": [
+    "The GitHub mirror commit declares Hugging Face as its origin but differs in one of five compared artifact files; it is lineage evidence, not parity evidence.",
+    "Current GitHub main is not the published Hub artifact and must not be substituted without a new build and verification wave.",
+    "The attestation overlay cannot self-embed its resulting Hub commit, so the immutable artifact_base_revision is the measured pre-overlay base.",
+    "No .bin, .safetensors, .pt, .pth, .onnx, or .gguf weight artifact was present in the measured base tree."
+  ]
+}