Pith Number

pith:XSWWZT3D

pith:2025:XSWWZT3DM7GYNZN2QQO7TK4FSY

not attested not anchored not stored refs pending

ReCatcher: Towards LLMs Regression Testing for Code Generation

Altaf Allah Abbassi, Amin Nikanjam, Foutse Khomh, Leuson Da Silva

arxiv:2507.19390 v1 · 2025-07-25 · cs.SE · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XSWWZT3DM7GYNZN2QQO7TK4FSY}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T11:43:24.783238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcad6ccf6367cd86e5ba841df9ab8596232bc2abd382a3749a2ddad8c1794d34

Aliases

arxiv: 2507.19390 · arxiv_version: 2507.19390v1 · doi: 10.48550/arxiv.2507.19390 · pith_short_12: XSWWZT3DM7GY · pith_short_16: XSWWZT3DM7GYNZN2 · pith_short_8: XSWWZT3D

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/XSWWZT3DM7GYNZN2QQO7TK4FSY \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: bcad6ccf6367cd86e5ba841df9ab8596232bc2abd382a3749a2ddad8c1794d34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0cefbd684384449c0c6ed530cbe25789673af80092aa39def302eb303b9d082",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2025-07-25T15:45:55Z",
    "title_canon_sha256": "bcc72884d14331a1de8658dbdc4e2515dbc77d35eb51903865e023df4273f0ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.19390",
    "kind": "arxiv",
    "version": 1
  }
}