Pith Number

pith:WJ5CUMJM

pith:2002:WJ5CUMJMFZP7EBGJ6TKSVXNQT3

not attested not anchored not stored refs pending

Complexity of the Exact Domatic Number Problem and of the Exact Conveyor Flow Shop Problem

J\"org Rothe, Tobias Riege

arxiv:cs/0212016 v3 · 2002-12-09 · cs.CC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WJ5CUMJMFZP7EBGJ6TKSVXNQT3}

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	2026-05-18T01:09:00.499219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b27a2a312c2e5ff204c9f4d52addb09ecec98b8ba1473da33495b1fc046a8ad6

Aliases

arxiv: cs/0212016 · arxiv_version: cs/0212016v3 · doi: 10.48550/arxiv.cs/0212016 · pith_short_12: WJ5CUMJMFZP7 · pith_short_16: WJ5CUMJMFZP7EBGJ · pith_short_8: WJ5CUMJM

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/WJ5CUMJMFZP7EBGJ6TKSVXNQT3 \
  | 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: b27a2a312c2e5ff204c9f4d52addb09ecec98b8ba1473da33495b1fc046a8ad6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b147f104376f4b8301212c928c86f8ab60c15e03b4d8104a379ffef7b7861a17",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.CC",
    "submitted_at": "2002-12-09T19:46:02Z",
    "title_canon_sha256": "c3cbde876fcf823a08f57b9231756b67d124d3d57bb98e3f8fdd8bf07dc41735"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0212016",
    "kind": "arxiv",
    "version": 3
  }
}