Pith Number

pith:LSQQ4WLD

pith:2026:LSQQ4WLD55PLTY2IXDY7FKPMFA

not attested not anchored not stored refs pending

A Snail Race Problem

Wenxiang Zhu, Yu Chen

arxiv:2607.02085 v1 · 2026-07-02 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LSQQ4WLD55PLTY2IXDY7FKPMFA}

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	2026-07-03T01:17:41.775903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ca10e5963ef5eb9e348b8f1f2a9ec2828ea7cb2f4716af8575fde24923ffc37

Aliases

arxiv: 2607.02085 · arxiv_version: 2607.02085v1 · doi: 10.48550/arxiv.2607.02085 · pith_short_12: LSQQ4WLD55PL · pith_short_16: LSQQ4WLD55PLTY2I · pith_short_8: LSQQ4WLD

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/LSQQ4WLD55PLTY2IXDY7FKPMFA \
  | 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: 5ca10e5963ef5eb9e348b8f1f2a9ec2828ea7cb2f4716af8575fde24923ffc37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd7ea179b689d48397a384aa9c7220e998c4d88a3b03b8e4c9619ee86567ca91",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2026-07-02T12:25:54Z",
    "title_canon_sha256": "e289149f731357af2474a9d9e0492e44d9f9ec220baddb6367659f286423d9e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.02085",
    "kind": "arxiv",
    "version": 1
  }
}