Pith Number

pith:3SEQBYLK

pith:2011:3SEQBYLK6DQA7HZLXC6YWUZIRS

not attested not anchored not stored refs pending

A tight bound on the length of odd cycles in the incompatibility graph of a non-C1P matrix

Cedric Chauve, Mehrnoush Malekesmaeili, Tamon Stephen

arxiv:1109.0562 v1 · 2011-09-02 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3SEQBYLK6DQA7HZLXC6YWUZIRS}

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	2026-05-18T04:14:07.320772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc8900e16af0e00f9f2bb8bd8b53288c9dd89f75f42d04fcdf9f7ea330abff1b

Aliases

arxiv: 1109.0562 · arxiv_version: 1109.0562v1 · doi: 10.48550/arxiv.1109.0562 · pith_short_12: 3SEQBYLK6DQA · pith_short_16: 3SEQBYLK6DQA7HZL · pith_short_8: 3SEQBYLK

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/3SEQBYLK6DQA7HZLXC6YWUZIRS \
  | 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: dc8900e16af0e00f9f2bb8bd8b53288c9dd89f75f42d04fcdf9f7ea330abff1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20fea1c464a26134f980e3a35bbd3b962e59d66133f981166cfc98678ac36e39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-09-02T21:26:43Z",
    "title_canon_sha256": "7bde5c98ac61a856b8812ce2c91dd7c43c061563fa0851e0312f9d65edaf9aa3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.0562",
    "kind": "arxiv",
    "version": 1
  }
}