Pith Number

pith:GB6MADSO

pith:2017:GB6MADSO56KRCVMQIX7ZZ7CML4

not attested not anchored not stored refs pending

Connected Vertex Cover for $(sP_1+P_5)$-Free Graphs

Daniel Paulusma, Giacomo Paesani, Matthew Johnson

arxiv:1712.08362 v3 · 2017-12-22 · 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{GB6MADSO56KRCVMQIX7ZZ7CML4}

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	2026-05-18T00:11:28.111638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

307cc00e4eef9511559045ff9cfc4c5f3ca66098adf2c38d94dd0e84b3032aff

Aliases

arxiv: 1712.08362 · arxiv_version: 1712.08362v3 · doi: 10.48550/arxiv.1712.08362 · pith_short_12: GB6MADSO56KR · pith_short_16: GB6MADSO56KRCVMQ · pith_short_8: GB6MADSO

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/GB6MADSO56KRCVMQIX7ZZ7CML4 \
  | 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: 307cc00e4eef9511559045ff9cfc4c5f3ca66098adf2c38d94dd0e84b3032aff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "003abd69e013f9dbfbfb1f4b7e2ce8c5f6c5d05f71903b6a521bb527d01f68cb",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DM",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-12-22T09:18:52Z",
    "title_canon_sha256": "8d2b48aeb97cdfc13037c269c9886cc01a1bc1cf52193c50b7efca73d616454c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.08362",
    "kind": "arxiv",
    "version": 3
  }
}