Pith Number

pith:EVA2Q2OG

pith:2014:EVA2Q2OGERNHXUKAS6UOC7DT5N

not attested not anchored not stored refs pending

The Erd\H{o}s-Hajnal Conjecture for Long Holes and Anti-holes

Marthe Bonamy, Nicolas Bousquet, St\'ephan Thomass\'e

arxiv:1408.1964 v1 · 2014-08-08 · cs.DM · 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{EVA2Q2OGERNHXUKAS6UOC7DT5N}

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	2026-05-18T02:45:30.921938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2541a869c6245a7bd14097a8e17c73eb5bcf0914aaafb37460dea66877817eec

Aliases

arxiv: 1408.1964 · arxiv_version: 1408.1964v1 · doi: 10.48550/arxiv.1408.1964 · pith_short_12: EVA2Q2OGERNH · pith_short_16: EVA2Q2OGERNHXUKA · pith_short_8: EVA2Q2OG

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/EVA2Q2OGERNHXUKAS6UOC7DT5N \
  | 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: 2541a869c6245a7bd14097a8e17c73eb5bcf0914aaafb37460dea66877817eec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fec899f4a58d308ccbcb9a352ec660f19e5fb18324a63157a7c31f3a0eaf08b6",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2014-08-08T20:01:51Z",
    "title_canon_sha256": "0f2dd8131617050cda7f2ef2eabd4209d756e85334fa9682e549b3e9795e3b40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.1964",
    "kind": "arxiv",
    "version": 1
  }
}