Pith Number

pith:WXZRXCQQ

pith:2015:WXZRXCQQEX2CEZYR7722VCCAZA

not attested not anchored not stored refs pending

Dominating induced matchings in graphs containing no long claw

Alain Hertz, Bernard Ries, Dominique de Werra, Vadim Lozin, Victor Zamaraev

arxiv:1505.02558 v1 · 2015-05-11 · cs.DM · cs.DS · 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{WXZRXCQQEX2CEZYR7722VCCAZA}

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	2026-05-18T02:16:18.462093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5f31b8a1025f4226711fff5aa8840c81b4c8db685799f5e4b5e1a555804fda5

Aliases

arxiv: 1505.02558 · arxiv_version: 1505.02558v1 · doi: 10.48550/arxiv.1505.02558 · pith_short_12: WXZRXCQQEX2C · pith_short_16: WXZRXCQQEX2CEZYR · pith_short_8: WXZRXCQQ

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/WXZRXCQQEX2CEZYR7722VCCAZA \
  | 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: b5f31b8a1025f4226711fff5aa8840c81b4c8db685799f5e4b5e1a555804fda5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fde5935e55f73ee44f28ef0c0cb58bbfc69600a4d54d30efbbcff3b6bb6716c0",
    "cross_cats_sorted": [
      "cs.DS",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2015-05-11T10:39:24Z",
    "title_canon_sha256": "b421d4c98b07abe00451369af820dfece0bc037bec827ffb022c02a274289087"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02558",
    "kind": "arxiv",
    "version": 1
  }
}