Pith Number

pith:437S3Z7Q

pith:2010:437S3Z7QK3SYAGCZ6V32PS2UYX

not attested not anchored not stored refs pending

On minimum vertex cover of generalized Petersen graphs

Babak Behsaz, Ebadollah S. Mahmoodian, Pooya Hatami

arxiv:1008.3208 v1 · 2010-08-19 · cs.DM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{437S3Z7QK3SYAGCZ6V32PS2UYX}

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	2026-05-18T04:42:03.129477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6ff2de7f056e5801859f577a7cb54c5f80e329a9b624d7089e325512f981c66

Aliases

arxiv: 1008.3208 · arxiv_version: 1008.3208v1 · doi: 10.48550/arxiv.1008.3208 · pith_short_12: 437S3Z7QK3SY · pith_short_16: 437S3Z7QK3SYAGCZ · pith_short_8: 437S3Z7Q

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/437S3Z7QK3SYAGCZ6V32PS2UYX \
  | 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: e6ff2de7f056e5801859f577a7cb54c5f80e329a9b624d7089e325512f981c66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d2a7d4fece69b055488c61254a9b06817094c7239f86cff679b8776e363e625",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2010-08-19T04:17:46Z",
    "title_canon_sha256": "de43013f0573c5ca213525c32e4f1fa90b5bcf4609fd5590e02551550ef52c86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3208",
    "kind": "arxiv",
    "version": 1
  }
}