Pith Number

pith:VHTJZATC

pith:2026:VHTJZATCEQB744LLTBQGT5ZZ67

not attested not anchored not stored refs pending

Code2Math: Can Your Code Agent Effectively Evolve Math Problems Through Exploration?

Dadi Guo, Dongrui Liu, Jianjie Feng, Jiayu Liu, Qihan Ren, Qingyu Liu, Shuai Shao, Tianyi Zhou, Weixian Huang, Wenze Su, Yi R. Fung, Yuejin Xie, Yujiu Yang, Zhiyuan Fan

arxiv:2603.03202 v3 · 2026-03-03 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VHTJZATCEQB744LLTBQGT5ZZ67}

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	2026-06-02T02:04:52.039003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9e69c82622403fe716b986069f739f7c33e0a3b6646df87eecd65294e4d77c8

Aliases

arxiv: 2603.03202 · arxiv_version: 2603.03202v3 · doi: 10.48550/arxiv.2603.03202 · pith_short_12: VHTJZATCEQB7 · pith_short_16: VHTJZATCEQB744LL · pith_short_8: VHTJZATC

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/VHTJZATCEQB744LLTBQGT5ZZ67 \
  | 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: a9e69c82622403fe716b986069f739f7c33e0a3b6646df87eecd65294e4d77c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "306f1de8d0b195519b75c1d4a66c9fb9d31c03846a631324e51d486af6c967bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-03-03T17:55:10Z",
    "title_canon_sha256": "1d2a99e90665200e87b2632ea2731c02999fd885ab9a6c4feae26444aa4f95e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.03202",
    "kind": "arxiv",
    "version": 3
  }
}