Pith Number

pith:XTA4ZPS7

pith:2025:XTA4ZPS74BUTUUQJP5B4LD476M

not attested not anchored not stored refs pending

MathClean: A Benchmark for Synthetic Mathematical Data Cleaning

Bin Cui, Hao Liang, Meiyi Qiang, Wentao Zhang, Yongzhen Guo, Yuying Li, Zefeng He, Zhengzhou Zhu

arxiv:2502.19058 v1 · 2025-02-26 · 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{XTA4ZPS74BUTUUQJP5B4LD476M}

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.

Cited by

1 paper in Pith

OpenWorldLib: A Unified Codebase and Definition of Advanced World Models

Receipt and verification

First computed	2026-07-05T10:20:26.074932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcc1ccbe5fe0693a52097f43c58f9ff30ce981ac24aeb8add96286f184502e70

Aliases

arxiv: 2502.19058 · arxiv_version: 2502.19058v1 · doi: 10.48550/arxiv.2502.19058 · pith_short_12: XTA4ZPS74BUT · pith_short_16: XTA4ZPS74BUTUUQJ · pith_short_8: XTA4ZPS7

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/XTA4ZPS74BUTUUQJP5B4LD476M \
  | 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: bcc1ccbe5fe0693a52097f43c58f9ff30ce981ac24aeb8add96286f184502e70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d828a327aed5f0a0f9f3eb86ddf5e77c6b8a211228950c414867b8651c4c199b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-02-26T11:17:50Z",
    "title_canon_sha256": "d020951abcffefb647de866619d70aeccf745dbaa3459824d7c8d3e5fc2beb69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.19058",
    "kind": "arxiv",
    "version": 1
  }
}