Pith Number

pith:3RWKPYHZ

pith:2016:3RWKPYHZZOI4SS62H2Y6QXHBBF

not attested not anchored not stored refs pending

Enumeration and Maximum Number of Minimal Connected Vertex Covers in Graphs

Dieter Kratsch, Petr A. Golovach, Pinar Heggernes

arxiv:1602.07504 v1 · 2016-02-24 · cs.DS · 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{3RWKPYHZZOI4SS62H2Y6QXHBBF}

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	2026-05-18T01:20:02.867724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc6ca7e0f9cb91c94bda3eb1e85ce109786d05e5690bcf1a7c6fdb319b305335

Aliases

arxiv: 1602.07504 · arxiv_version: 1602.07504v1 · doi: 10.48550/arxiv.1602.07504 · pith_short_12: 3RWKPYHZZOI4 · pith_short_16: 3RWKPYHZZOI4SS62 · pith_short_8: 3RWKPYHZ

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/3RWKPYHZZOI4SS62H2Y6QXHBBF \
  | 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: dc6ca7e0f9cb91c94bda3eb1e85ce109786d05e5690bcf1a7c6fdb319b305335

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f463e3752d5a18579e39a7ac9ebae68b18158bb8428a07556040fd0bb5ab8797",
    "cross_cats_sorted": [
      "cs.DM",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-02-24T13:50:01Z",
    "title_canon_sha256": "589c098514c1eac6843d0f07a9a49638849abecf7a1d4484898e3a84aa667cea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.07504",
    "kind": "arxiv",
    "version": 1
  }
}