Pith Number

pith:V7KGDWWP

pith:2018:V7KGDWWPTWGFTF2KPRKGBIURVJ

not attested not anchored not stored refs pending

Uniquely restricted matchings in subcubic graphs without short cycles

Dieter Rautenbach, Maximilian F\"urst

arxiv:1810.04473 v1 · 2018-10-10 · 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{V7KGDWWPTWGFTF2KPRKGBIURVJ}

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	2026-05-18T00:03:40.040220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afd461dacf9d8c59974a7c5460a291aa5349b8a0e27862085ffe0621751d3150

Aliases

arxiv: 1810.04473 · arxiv_version: 1810.04473v1 · doi: 10.48550/arxiv.1810.04473 · pith_short_12: V7KGDWWPTWGF · pith_short_16: V7KGDWWPTWGFTF2K · pith_short_8: V7KGDWWP

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/V7KGDWWPTWGFTF2KPRKGBIURVJ \
  | 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: afd461dacf9d8c59974a7c5460a291aa5349b8a0e27862085ffe0621751d3150

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b0c34956f4af9152613d37c95af7423ecaded602940a4c7c5677d74d2c110cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-10-10T12:11:49Z",
    "title_canon_sha256": "e31c99f8f16043a3b936ef3c2c373eb2b99db1204faa105d8b13788c364c46e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.04473",
    "kind": "arxiv",
    "version": 1
  }
}