Pith Number

pith:5NT5ZWRK

pith:2018:5NT5ZWRK3TFXZTTVD4QT5XJOPX

not attested not anchored not stored refs pending

Counting Minimal Transversals of $\beta$-Acyclic Hypergraphs

Benjamin Bergougnoux, Florent Capelli, Mamadou Moustapha Kant\'e

arxiv:1808.05017 v1 · 2018-08-15 · 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{5NT5ZWRK3TFXZTTVD4QT5XJOPX}

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	2026-05-18T00:08:01.899620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb67dcda2adccb7cce751f213edd2e7df45653f2cbea1badc66df1bbeb973b73

Aliases

arxiv: 1808.05017 · arxiv_version: 1808.05017v1 · doi: 10.48550/arxiv.1808.05017 · pith_short_12: 5NT5ZWRK3TFX · pith_short_16: 5NT5ZWRK3TFXZTTV · pith_short_8: 5NT5ZWRK

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/5NT5ZWRK3TFXZTTVD4QT5XJOPX \
  | 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: eb67dcda2adccb7cce751f213edd2e7df45653f2cbea1badc66df1bbeb973b73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b985b13a99041a650072eb15964e76e2747f0bcea354c0a4a4acd0de23cbe8ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-08-15T09:49:44Z",
    "title_canon_sha256": "47d08f6276c1eca62f3148d75bacea02c05a99ad4bd97f6a50bdc01cb0808d1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.05017",
    "kind": "arxiv",
    "version": 1
  }
}