Pith Number

pith:JHKSB4YV

pith:2018:JHKSB4YV6PHYGOC6WTK2X5KZAW

not attested not anchored not stored refs pending

Uniquely restricted matchings in subcubic graphs

Dieter Rautenbach, Maximilian F\"urst, Michael A. Henning

arxiv:1805.00840 v1 · 2018-05-02 · 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{JHKSB4YV6PHYGOC6WTK2X5KZAW}

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	2026-05-18T00:16:57.538422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49d520f315f3cf83385eb4d5abf5590588f5343b6d652fdb4a9a4c41c8a2f813

Aliases

arxiv: 1805.00840 · arxiv_version: 1805.00840v1 · doi: 10.48550/arxiv.1805.00840 · pith_short_12: JHKSB4YV6PHY · pith_short_16: JHKSB4YV6PHYGOC6 · pith_short_8: JHKSB4YV

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/JHKSB4YV6PHYGOC6WTK2X5KZAW \
  | 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: 49d520f315f3cf83385eb4d5abf5590588f5343b6d652fdb4a9a4c41c8a2f813

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "935abfe8d0e107b7b06d322a39ae2c133eb71c57a4e5151ca849d7118490907f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-05-02T14:20:04Z",
    "title_canon_sha256": "e01c8632713926ddf91cc7e55989be09e8c37ea42fc8a83a99797a31c105f905"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.00840",
    "kind": "arxiv",
    "version": 1
  }
}