Pith Number

pith:H6IRDLQB

pith:2023:H6IRDLQB4E5Z4DQ4N2ELMGPKME

not attested not anchored not stored refs pending

Induced subgraph density. II. Sparse and dense sets in cographs

Alex Scott, Jacob Fox, Paul Seymour, Tung Nguyen

arxiv:2307.00801 v2 · 2023-07-03 · 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{H6IRDLQB4E5Z4DQ4N2ELMGPKME}

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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.

Cited by

1 paper in Pith

Induced subgraph density. IV. New graphs with the Erd\H{o}s-Hajnal property

Receipt and verification

First computed	2026-07-05T09:04:28.612965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f9111ae01e13b9e0e1c6e88b619ea6117a5bf2e1a1dee8b4d17ac25372e3c3c

Aliases

arxiv: 2307.00801 · arxiv_version: 2307.00801v2 · doi: 10.48550/arxiv.2307.00801 · pith_short_12: H6IRDLQB4E5Z · pith_short_16: H6IRDLQB4E5Z4DQ4 · pith_short_8: H6IRDLQB

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/H6IRDLQB4E5Z4DQ4N2ELMGPKME \
  | 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: 3f9111ae01e13b9e0e1c6e88b619ea6117a5bf2e1a1dee8b4d17ac25372e3c3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71d2bf5c676829c75aba408e821655c8130888d87421b9ddfcfd4ae56bcfb25e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2023-07-03T07:33:36Z",
    "title_canon_sha256": "9d79fb0baf3fe229e3aa9d69a84339b83721a860b74a025b8e18cbee54e0ed6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.00801",
    "kind": "arxiv",
    "version": 2
  }
}