card: drop PWC comparison, remove non-public github link

README.md

@@ -6,11 +6,11 @@ pretty_name: codeofpaper — paper ↔ code graph
 size_categories:
   - 100K<n<1M
 tags:
-  - papers-with-code
   - reproducibility
   - github
   - arxiv
   - research-software
+  - paper-code-linking
 configs:
   - config_name: papers
     data_files: papers.parquet
@@ -26,9 +26,8 @@ configs:
 
 A high-precision dataset linking research papers (arXiv, OpenReview) to their
 **official** and **high-confidence community** GitHub implementations, plus
-the full fork lineage for those repositories. Built by the
-[codeofpaper](https://codeofpaper.com) project as a community successor to
-the discontinued Papers with Code.
+the full fork lineage for those repositories. Built and maintained by the
+[codeofpaper](https://codeofpaper.com) project.
 
 **Snapshot date:** 2026-05-19
 **Schema version:** 1.0.0
@@ -36,19 +35,19 @@ the discontinued Papers with Code.
 Underlying paper texts and repository code remain under their own licenses;
 this dataset only ships identifiers, URLs, and structured metadata.
 
-## What's different from Papers with Code
+## What's in here
 
 - **Tiered repo links** — every edge is classified as `official` or
-  `high_confidence_community` by a reproducible, open classifier (see
-  [tier_evidence](https://github.com/isagelswann/codeofpaper/blob/main/docs/features/PHASE_0C_SPOT_CHECK.md)
-  for the rubric). Lower-confidence edges (`possible_match`) are intentionally
-  excluded from the published snapshot.
+  `high_confidence_community` by a reproducible classifier. Lower-confidence
+  edges (`possible_match`) are intentionally excluded from the published
+  snapshot to keep precision high.
 - **Fork lineage** — `repository_forks` covers ~1.5M fork edges across ~89k
-  parent repos, enabling research-fork discovery (hardware ports, quantization
-  variants, lab extensions) that PWC never surfaced.
+  parent repos, enabling research-fork discovery: hardware ports, quantization
+  variants, lab extensions, and other derivative work that's normally
+  invisible in paper ↔ code link tables.
 - **Engineering metadata** — `repositories.framework`, `license_spdx`,
   `engineering_fields_evidence` (JSONB) carry the signals our tier classifier
-  consumes.
+  consumes, so you can audit or train your own.
 
 ## Files
 
@@ -107,9 +106,10 @@ If you use this dataset, please cite:
 }
 ```
 
-## Source code & methodology
+## Project
 
-- Repo: <https://github.com/isagelswann/codeofpaper>
-- Tier classifier rubric: `docs/features/PHASE_0C_SPOT_CHECK.md`
-- Dataset build script: `scripts/dataset/build_hf_snapshot.py`
-- Git SHA at build time: `b7ae3a7eace01038093aff1918b9c09754dd088a`
+Product: <https://codeofpaper.com>. The classifier rubric, build script, and
+methodology will be open-sourced alongside the first public release of the
+codeofpaper repository.
+
+Build metadata: schema `1.0.0`, git SHA `b7ae3a7eace01038093aff1918b9c09754dd088a`.