Pith Number

pith:TGNSSUJQ

pith:2011:TGNSSUJQGPPLX7UGXODRKWVQLD

not attested not anchored not stored refs pending

Finding a smallest odd hole in a claw-free graph using global structure

Andrew D. King, W. Sean Kennedy

arxiv:1103.6222 v2 · 2011-03-31 · 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{TGNSSUJQGPPLX7UGXODRKWVQLD}

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	2026-05-18T04:21:22.159890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

999b29513033debbfe86bb87155ab058f1b68f00116384040271ea7f4c98cfc7

Aliases

arxiv: 1103.6222 · arxiv_version: 1103.6222v2 · doi: 10.48550/arxiv.1103.6222 · pith_short_12: TGNSSUJQGPPL · pith_short_16: TGNSSUJQGPPLX7UG · pith_short_8: TGNSSUJQ

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/TGNSSUJQGPPLX7UGXODRKWVQLD \
  | 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: 999b29513033debbfe86bb87155ab058f1b68f00116384040271ea7f4c98cfc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bbf502a5e741a5e1525a61391c970d1ab244f6214a9e90d7c613ef795f98e46",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2011-03-31T15:57:53Z",
    "title_canon_sha256": "3ae01333df98c6109b4077820dd50e649f7fc521e3253cf6c97a0d70e77a3478"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.6222",
    "kind": "arxiv",
    "version": 2
  }
}