Pith Number

pith:S25OZVM7

pith:2017:S25OZVM7QFFWTPME7VD5R36X74

not attested not anchored not stored refs pending

Minimum Connected Transversals in Graphs: New Hardness Results and Tractable Cases Using the Price of Connectivity

Dani\"el Paulusma, Martin Milani\v{c}, Matthew Johnson, Nina Chiarelli, Tatiana R. Hartinger

arxiv:1706.08050 v3 · 2017-06-25 · cs.DS · cs.CC · 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{S25OZVM7QFFWTPME7VD5R36X74}

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	2026-05-18T00:34:37.048700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96baecd59f814b69bd84fd47d8efd7ff39469df2e421c764b6a754927f7797f7

Aliases

arxiv: 1706.08050 · arxiv_version: 1706.08050v3 · doi: 10.48550/arxiv.1706.08050 · pith_short_12: S25OZVM7QFFW · pith_short_16: S25OZVM7QFFWTPME · pith_short_8: S25OZVM7

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/S25OZVM7QFFWTPME7VD5R36X74 \
  | 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: 96baecd59f814b69bd84fd47d8efd7ff39469df2e421c764b6a754927f7797f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfb3e33b090cb5d7958424e28433e68babba5b662e4f707924a3dcac09cfaf2a",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DM",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-06-25T08:00:56Z",
    "title_canon_sha256": "6764661d9f58db2013db75db5e941b892012846c6a0ba1c01f239f4297eda13f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.08050",
    "kind": "arxiv",
    "version": 3
  }
}