Pith Number

pith:QYQ3VJIX

pith:2026:QYQ3VJIX3AT5FQA44LQQIBKDGE

not attested not anchored not stored refs pending

Cross-Model LLM Code Review: Should you use Claude to review Codex or vice versa?

Hailu Xu, Yike Zhang, Yueming Zhang, Zuodong Xiang

arxiv:2607.21656 v1 · 2026-07-22 · 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{QYQ3VJIX3AT5FQA44LQQIBKDGE}

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	2026-07-27T00:20:13.488046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8621baa517d827d2c01ce2e1040543310c15d7f188bade16ec5e42c1e7ebc3ad

Aliases

arxiv: 2607.21656 · arxiv_version: 2607.21656v1 · doi: 10.48550/arxiv.2607.21656 · pith_short_12: QYQ3VJIX3AT5 · pith_short_16: QYQ3VJIX3AT5FQA4 · pith_short_8: QYQ3VJIX

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/QYQ3VJIX3AT5FQA44LQQIBKDGE \
  | 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: 8621baa517d827d2c01ce2e1040543310c15d7f188bade16ec5e42c1e7ebc3ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09d49c657fa6536a51b6338743ac0c956d18288f7564f5f205fbf9d52360506c",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-07-22T20:39:48Z",
    "title_canon_sha256": "bc6b70aefad0d3c3c99a94028c4b81b6a125969509148e8d6425929594dd351e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.21656",
    "kind": "arxiv",
    "version": 1
  }
}