Pith Number

pith:Q3IBDYNO

pith:2024:Q3IBDYNOEBX2HL25LSHBYXYLNM

not attested not anchored not stored refs pending

Uniquely colorable hypergraphs

Jie Ma, Tianhen Wang, Tianming Zhu, Xizhi Liu

arxiv:2409.01654 v1 · 2024-09-03 · 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{Q3IBDYNOEBX2HL25LSHBYXYLNM}

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	2026-07-05T09:02:32.283533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86d011e1ae206fa3af5d5c8e1c5f0b6b0ea4dfb9f1f3bfca472812da4ec52306

Aliases

arxiv: 2409.01654 · arxiv_version: 2409.01654v1 · doi: 10.48550/arxiv.2409.01654 · pith_short_12: Q3IBDYNOEBX2 · pith_short_16: Q3IBDYNOEBX2HL25 · pith_short_8: Q3IBDYNO

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/Q3IBDYNOEBX2HL25LSHBYXYLNM \
  | 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: 86d011e1ae206fa3af5d5c8e1c5f0b6b0ea4dfb9f1f3bfca472812da4ec52306

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e52609d9a46f7d30983e4d57a626ad1e8c00679311fe15bf2cc61d8e7c1b323",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2024-09-03T06:47:33Z",
    "title_canon_sha256": "d5830b7b9aad3108349df53690ae432cc33c6693b8e16589b47325412e7a6c77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.01654",
    "kind": "arxiv",
    "version": 1
  }
}