Pith Number

pith:ML45YJYS

pith:2017:ML45YJYSNHU2TU2KNDH5W5NW3D

not attested not anchored not stored refs pending

Efficient Enumeration of Induced Matchings in a Graph without Cycles with Length Four

Hiroki Arimura, Kazuhiro Kurita, Kunihiro Wasa, Takeaki Uno

arxiv:1707.02740 v1 · 2017-07-10 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ML45YJYSNHU2TU2KNDH5W5NW3D}

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	2026-05-18T00:05:19.742756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62f9dc271269e9a9d34a68cfdb75b6d8d0933626529e0b05ee8df7e107f352a4

Aliases

arxiv: 1707.02740 · arxiv_version: 1707.02740v1 · doi: 10.48550/arxiv.1707.02740 · pith_short_12: ML45YJYSNHU2 · pith_short_16: ML45YJYSNHU2TU2K · pith_short_8: ML45YJYS

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/ML45YJYSNHU2TU2KNDH5W5NW3D \
  | 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: 62f9dc271269e9a9d34a68cfdb75b6d8d0933626529e0b05ee8df7e107f352a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b392733ac642da5e713b753d39b1a125cd3655d85acd32bd66d99e5c5fe1126c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-07-10T08:27:48Z",
    "title_canon_sha256": "33b065b3a091a8d7b431060560b6bfcd0fa9f4d97ce9a7f72a7bbf54d25c6f6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.02740",
    "kind": "arxiv",
    "version": 1
  }
}