Pith Number

pith:O4BQXNDI

pith:2012:O4BQXNDIM2OWBYFAOKXZQLHOTA

not attested not anchored not stored refs pending

Odd cycle transversals and independent sets in fullerene graphs

Luerbio Faria, Mat\v{e}j Stehl\'ik, Sulamita Klein

arxiv:1203.3912 v2 · 2012-03-18 · 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{O4BQXNDIM2OWBYFAOKXZQLHOTA}

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	2026-05-18T03:11:09.719669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77030bb468669d60e0a072af982cee9826e63a33a90ce7696ef0d4d813705ba0

Aliases

arxiv: 1203.3912 · arxiv_version: 1203.3912v2 · doi: 10.48550/arxiv.1203.3912 · pith_short_12: O4BQXNDIM2OW · pith_short_16: O4BQXNDIM2OWBYFA · pith_short_8: O4BQXNDI

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/O4BQXNDIM2OWBYFAOKXZQLHOTA \
  | 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: 77030bb468669d60e0a072af982cee9826e63a33a90ce7696ef0d4d813705ba0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b242d389b0ce43922c8b7b73fde129142b0fef69e1fcaec4ccd291ded19b8cb5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-03-18T03:13:47Z",
    "title_canon_sha256": "ac30421ab5cda064ef61c33cbc3f4e2cf038d6507f444fd71309ef4515305057"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3912",
    "kind": "arxiv",
    "version": 2
  }
}