Pith Number

pith:3SGMM2T2

pith:2025:3SGMM2T2DAX7KS54UZFZYM3NX4

not attested not anchored not stored refs pending

FMC: Formalization of Natural Language Mathematical Competition Problems

Chengwu Liu, Jiaxuan Xie, Ming Zhang, Siqi Li, Ye Yuan, Zhiping Xiao

arxiv:2507.11275 v1 · 2025-07-15 · 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{3SGMM2T2DAX7KS54UZFZYM3NX4}

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	2026-07-05T11:37:36.075675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc8cc66a7a182ff54bbca64b9c336dbf2de6f6fe3f83aeff27b3bf24f639f905

Aliases

arxiv: 2507.11275 · arxiv_version: 2507.11275v1 · doi: 10.48550/arxiv.2507.11275 · pith_short_12: 3SGMM2T2DAX7 · pith_short_16: 3SGMM2T2DAX7KS54 · pith_short_8: 3SGMM2T2

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/3SGMM2T2DAX7KS54UZFZYM3NX4 \
  | 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: dc8cc66a7a182ff54bbca64b9c336dbf2de6f6fe3f83aeff27b3bf24f639f905

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78d731e1b1b4c60fcc5cd387292d056632c45864d4970f6b7958a5a0312ecffb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-07-15T12:52:47Z",
    "title_canon_sha256": "f91923c9b4518fba03876522b0bd64fda80554a1f075c3bda1a6c6302ec3bff4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.11275",
    "kind": "arxiv",
    "version": 1
  }
}