Pith Number

pith:ZOWXNP42

pith:2013:ZOWXNP42T45FMBUHBAU55AFFKI

not attested not anchored not stored refs pending

Algorithms for square-$3PC(\cdot, \cdot)$-free Berge graphs

Fr\'ed\'eric Maffray, Kristina Vu\v{s}kovi\'c, Nicolas Trotignon

arxiv:1309.0694 v1 · 2013-09-03 · 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{ZOWXNP42T45FMBUHBAU55AFFKI}

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	2026-05-18T01:18:19.656860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbad76bf9a9f3a5606870829de80a5523c94fd1330ba77b23210fb49fe5acac8

Aliases

arxiv: 1309.0694 · arxiv_version: 1309.0694v1 · doi: 10.48550/arxiv.1309.0694 · pith_short_12: ZOWXNP42T45F · pith_short_16: ZOWXNP42T45FMBUH · pith_short_8: ZOWXNP42

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/ZOWXNP42T45FMBUHBAU55AFFKI \
  | 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: cbad76bf9a9f3a5606870829de80a5523c94fd1330ba77b23210fb49fe5acac8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d49f53e2594fda3a9ec2ee54f70f0d6417f1da79e3cc4ef6b6632c0c48ce1a87",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2013-09-03T14:22:42Z",
    "title_canon_sha256": "c164ef84217d5d959a3c77dce6a3adc82a141036f367189b817961bb5b1da9b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.0694",
    "kind": "arxiv",
    "version": 1
  }
}