Pith Number

pith:SRYGTQ5T

pith:2019:SRYGTQ5TPOSV5OMGN6PRQQYUMJ

not attested not anchored not stored refs pending

Finding Dominating Induced Matchings in $P_9$-Free Graphs in Polynomial Time

Andreas Brandst\"adt, Raffaele Mosca

arxiv:1908.00978 v3 · 2019-08-02 · cs.DM · 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{SRYGTQ5TPOSV5OMGN6PRQQYUMJ}

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	2026-07-05T00:52:06.204103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

947069c3b37ba55eb9866f9f184314626028d122e643ca6b62347099c7d3c678

Aliases

arxiv: 1908.00978 · arxiv_version: 1908.00978v3 · doi: 10.48550/arxiv.1908.00978 · pith_short_12: SRYGTQ5TPOSV · pith_short_16: SRYGTQ5TPOSV5OMG · pith_short_8: SRYGTQ5T

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/SRYGTQ5TPOSV5OMGN6PRQQYUMJ \
  | 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: 947069c3b37ba55eb9866f9f184314626028d122e643ca6b62347099c7d3c678

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55003f7483c1191e5f8bf1aa674d1465fbbdd4b68fb1a2262d95bcf124da411b",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2019-08-02T12:35:55Z",
    "title_canon_sha256": "ea95205115ccc8472f659cd00c74b14c13a7a424f523a4db357816f5b4123669"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.00978",
    "kind": "arxiv",
    "version": 3
  }
}