Pith Number

pith:37VPV2GJ

pith:2006:37VPV2GJVTJ73WIG4TYSNCLSOJ

not attested not anchored not stored refs pending

Alliance free and alliance cover sets

I. G. Yero, J. A. Rodriguez-Velazquez, J. M. Sigarreta, S. Bermudo

arxiv:math/0602428 v2 · 2006-02-20 · 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{37VPV2GJVTJ73WIG4TYSNCLSOJ}

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	2026-05-18T03:05:55.560906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfeafae8c9acd3fdd906e4f126897272545b4eb8d7479ec0583cd869a79015e3

Aliases

arxiv: math/0602428 · arxiv_version: math/0602428v2 · doi: 10.48550/arxiv.math/0602428 · pith_short_12: 37VPV2GJVTJ7 · pith_short_16: 37VPV2GJVTJ73WIG · pith_short_8: 37VPV2GJ

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/37VPV2GJVTJ73WIG4TYSNCLSOJ \
  | 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: dfeafae8c9acd3fdd906e4f126897272545b4eb8d7479ec0583cd869a79015e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6229befc4b9b79337f474547a73297fee031da08d22210a8a8b00969800d9a20",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2006-02-20T14:15:55Z",
    "title_canon_sha256": "ad60fc2b11a20916bb1706aee776f95a8e83e1da60c70472026e9fe2d9fd5d39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0602428",
    "kind": "arxiv",
    "version": 2
  }
}