Pith Number

pith:XG2ETMB4

pith:2026:XG2ETMB4AWL6JMKR5PTSOVO3JR

not attested not anchored not stored refs pending

Verifiable Auto-Formalization of Mathematics Using a Relaxed Natural Formal Language

Lihan Xie, Qinxiang Cao, Xingzhi Qi, Yingjun Lan, Zhehao Li, Zhicheng Hui

arxiv:2606.24443 v1 · 2026-06-23 · cs.LO · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XG2ETMB4AWL6JMKR5PTSOVO3JR}

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	2026-06-24T01:15:30.514831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9b449b03c0597e4b151ebe72755db4c757d6ad4f60f5d7062322ed7bcb3c828

Aliases

arxiv: 2606.24443 · arxiv_version: 2606.24443v1 · doi: 10.48550/arxiv.2606.24443 · pith_short_12: XG2ETMB4AWL6 · pith_short_16: XG2ETMB4AWL6JMKR · pith_short_8: XG2ETMB4

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/XG2ETMB4AWL6JMKR5PTSOVO3JR \
  | 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: b9b449b03c0597e4b151ebe72755db4c757d6ad4f60f5d7062322ed7bcb3c828

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccf4352a179e47be803e912405c445410c6831d3ec69ed50cc613d7442fa3ff1",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2026-06-23T11:24:49Z",
    "title_canon_sha256": "471e3a69402fca706e17fee82edaeebf5d452b2cc96d0e2f74276b384be0282e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.24443",
    "kind": "arxiv",
    "version": 1
  }
}