Pith Number

pith:P5PQTDBJ

pith:2017:P5PQTDBJOPEGSTUVUYA5GRX6AM

not attested not anchored not stored refs pending

Clique-width and Well-Quasi-Ordering of Triangle-Free Graph Classes

Dani\"el Paulusma, Konrad K. Dabrowski, Vadim V. Lozin

arxiv:1711.08837 v1 · 2017-11-23 · math.CO · cs.DM · 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{P5PQTDBJOPEGSTUVUYA5GRX6AM}

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	2026-05-18T00:29:43.957344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f5f098c2973c8694e95a601d346fe0300e660035ab03afe54a3440e8fc01ae8

Aliases

arxiv: 1711.08837 · arxiv_version: 1711.08837v1 · doi: 10.48550/arxiv.1711.08837 · pith_short_12: P5PQTDBJOPEG · pith_short_16: P5PQTDBJOPEGSTUV · pith_short_8: P5PQTDBJ

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/P5PQTDBJOPEGSTUVUYA5GRX6AM \
  | 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: 7f5f098c2973c8694e95a601d346fe0300e660035ab03afe54a3440e8fc01ae8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e602fcd143db60743cc845fbd6d8a49f9424a18e6b4adc8fa5a2650f895af68",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-11-23T22:43:34Z",
    "title_canon_sha256": "79b9a350be939f5904bda36649bfae8c68566368e68f738ebabf1a3408f86afc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.08837",
    "kind": "arxiv",
    "version": 1
  }
}