Pith Number

pith:2QJJDMP7

pith:2023:2QJJDMP7KMQYYAR5BH766UHAFD

not attested not anchored not stored refs pending

A few new oddtown and eventown problems

Griffin Johnston, Jason O'Neill

arxiv:2312.13588 v3 · 2023-12-21 · 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{2QJJDMP7KMQYYAR5BH766UHAFD}

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	2026-07-05T10:39:16.462815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d41291b1ff53218c023d09ffef50e028dcc095b9782cfd0c264496533e5fdb37

Aliases

arxiv: 2312.13588 · arxiv_version: 2312.13588v3 · doi: 10.48550/arxiv.2312.13588 · pith_short_12: 2QJJDMP7KMQY · pith_short_16: 2QJJDMP7KMQYYAR5 · pith_short_8: 2QJJDMP7

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/2QJJDMP7KMQYYAR5BH766UHAFD \
  | 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: d41291b1ff53218c023d09ffef50e028dcc095b9782cfd0c264496533e5fdb37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfd76744061226a787075c9623740ba1414a9a7a51962be0c2db2dbd4c2fb194",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2023-12-21T05:36:38Z",
    "title_canon_sha256": "9af37573ceac9341782165bc7617f942d03622beb9f1d1e44077949ac6b6a9ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2312.13588",
    "kind": "arxiv",
    "version": 3
  }
}