Pith Number

pith:P65H6L6W

pith:2025:P65H6L6WR4ZDQOKB7K3JRUI6CB

not attested not anchored not stored refs pending

Can reasoning models comprehend mathematical problems in Chinese ancient texts? An empirical study based on data from Suanjing Shishu

Chang Liu, Dongbo Wang, Liu Liu, Zhixiao Zhao

arxiv:2505.16660 v3 · 2025-05-22 · cs.CL · 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{P65H6L6WR4ZDQOKB7K3JRUI6CB}

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	2026-07-05T11:20:54.288201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fba7f2fd68f32383941fab698d11e106bf55e5b22f63a4ca3798b195b91543f

Aliases

arxiv: 2505.16660 · arxiv_version: 2505.16660v3 · doi: 10.48550/arxiv.2505.16660 · pith_short_12: P65H6L6WR4ZD · pith_short_16: P65H6L6WR4ZDQOKB · pith_short_8: P65H6L6W

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/P65H6L6WR4ZDQOKB7K3JRUI6CB \
  | 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: 7fba7f2fd68f32383941fab698d11e106bf55e5b22f63a4ca3798b195b91543f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1468b4854449a235d743520f2fe546bd106f1955ee0a750149a2065d6f02dff7",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-05-22T13:24:52Z",
    "title_canon_sha256": "40bcd3171e60b32d582b57009962581b0f412b431a1c44fa9150b3100015e580"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.16660",
    "kind": "arxiv",
    "version": 3
  }
}