Pith Number

pith:E6PZ2766

pith:2014:E6PZ2766XIYVC45MIFDFUV2EUV

not attested not anchored not stored refs pending

The chromatic number of comparability 3-hypergraphs

Amanda Montejano, Deborah Oliveros, Natalia Garcia-Colin

arxiv:1402.5739 v1 · 2014-02-24 · 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{E6PZ2766XIYVC45MIFDFUV2EUV}

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	2026-05-18T02:58:13.848448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

279f9d7fdeba315173ac41465a5744a567642b646e0fbfe05c9bd0fe21d1e8b7

Aliases

arxiv: 1402.5739 · arxiv_version: 1402.5739v1 · doi: 10.48550/arxiv.1402.5739 · pith_short_12: E6PZ2766XIYV · pith_short_16: E6PZ2766XIYVC45M · pith_short_8: E6PZ2766

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/E6PZ2766XIYVC45MIFDFUV2EUV \
  | 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: 279f9d7fdeba315173ac41465a5744a567642b646e0fbfe05c9bd0fe21d1e8b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9024149f78a2c0fbf2e849836ecb8950d87829d21a15fd0d26c770d0ff176523",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-02-24T07:43:24Z",
    "title_canon_sha256": "94e0cc641a050fc5b89146545a8b645cdaac07058fe949bffeb8cdfae425f9b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.5739",
    "kind": "arxiv",
    "version": 1
  }
}