Pith Number

pith:HOT25PNY

pith:2012:HOT25PNY3VCS4MLWRIADSDC5CQ

not attested not anchored not stored refs pending

Exact Algorithms for Maximum Clique: a computational study

Patrick Prosser

arxiv:1207.4616 v1 · 2012-07-19 · 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{HOT25PNY3VCS4MLWRIADSDC5CQ}

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	2026-05-18T03:50:36.430141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ba7aebdb8dd452e31768a00390c5d1417a9d00fd0d01ae2b7169aaaa39a64b3

Aliases

arxiv: 1207.4616 · arxiv_version: 1207.4616v1 · doi: 10.48550/arxiv.1207.4616 · pith_short_12: HOT25PNY3VCS · pith_short_16: HOT25PNY3VCS4MLW · pith_short_8: HOT25PNY

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/HOT25PNY3VCS4MLWRIADSDC5CQ \
  | 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: 3ba7aebdb8dd452e31768a00390c5d1417a9d00fd0d01ae2b7169aaaa39a64b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e018a9b63fc67d2c9de4117df66af6c8f8fd94bafb1c7419c9f9febdedf8acdb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-07-19T11:26:59Z",
    "title_canon_sha256": "995ddd3b74485ddf58a1e52f084da9a1b4c4ff567b66a228289a67f75ea850b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4616",
    "kind": "arxiv",
    "version": 1
  }
}