Pith Number

pith:PQSDYDBF

pith:2026:PQSDYDBFXW3WSCAQ3JTIAH76BW

not attested not anchored not stored refs pending

ToolMATH: A Diagnostic Benchmark for Long-Horizon Tool Use under Systematic Tool-Catalog Constraints

Hyeonje Choi, Hyojun Lee, Jay-Yoon Lee, Jeongsoo Lee

arxiv:2602.21265 v2 · 2026-02-24 · cs.CL · cs.LG · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PQSDYDBFXW3WSCAQ3JTIAH76BW}

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	2026-05-20T00:04:26.522987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c243c0c25bdb7690810da66801ffe0d93cd9be11484e5713ce7314e2c5d0088

Aliases

arxiv: 2602.21265 · arxiv_version: 2602.21265v2 · doi: 10.48550/arxiv.2602.21265 · pith_short_12: PQSDYDBFXW3W · pith_short_16: PQSDYDBFXW3WSCAQ · pith_short_8: PQSDYDBF

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/PQSDYDBFXW3WSCAQ3JTIAH76BW \
  | 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: 7c243c0c25bdb7690810da66801ffe0d93cd9be11484e5713ce7314e2c5d0088

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9520d43a6c17d36d0d46346bceaea39ea45160b24ac71ba30238f8a7a35779c9",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.SE"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-02-24T09:23:12Z",
    "title_canon_sha256": "77a5556e20e70fefa1f9a35dd83e5e7382cb43ce58e91118bea6e5ae29da882d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.21265",
    "kind": "arxiv",
    "version": 2
  }
}