Pith Number

pith:NKF3BRKV

pith:2010:NKF3BRKVTNSEZNMVPNQA4EQLZR

not attested not anchored not stored refs pending

Dominating Set is Fixed Parameter Tractable in Claw-free Graphs

Geevarghese Philip, Jakub Onufry Wojtaszczyk, Marcin Pilipczuk, Marek Cygan, Micha{\l} Pilipczuk

arxiv:1011.6239 v2 · 2010-11-29 · cs.DS · cs.CC

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

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	2026-05-18T02:23:17.262825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a8bb0c5559b644cb5957b600e120bcc67656f7d4bd0ff65ddb2f03f78037130

Aliases

arxiv: 1011.6239 · arxiv_version: 1011.6239v2 · doi: 10.48550/arxiv.1011.6239 · pith_short_12: NKF3BRKVTNSE · pith_short_16: NKF3BRKVTNSEZNMV · pith_short_8: NKF3BRKV

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/NKF3BRKVTNSEZNMVPNQA4EQLZR \
  | 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: 6a8bb0c5559b644cb5957b600e120bcc67656f7d4bd0ff65ddb2f03f78037130

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5958268b2aa4254490563c29701dcee2bb4c1ce0fdb8a7d0e3c70bb605b7b96e",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2010-11-29T14:28:40Z",
    "title_canon_sha256": "44ec4e98c1628d1bda34c83372175144f4b70fe911371073206a576cab94c2a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.6239",
    "kind": "arxiv",
    "version": 2
  }
}