Pith Number

pith:62RLK2PD

pith:2015:62RLK2PDXJW7BD6JCH7JM4I3XN

not attested not anchored not stored refs pending

Algorithms for the workflow satisfiability problem engineered for counting constraints

A. Gagarin, D. Cohen, G. Gutin, J. Crampton, M. Jones

arxiv:1504.02420 v1 · 2015-04-09 · cs.DS · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{62RLK2PDXJW7BD6JCH7JM4I3XN}

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	2026-05-18T02:09:41.034410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6a2b569e3ba6df08fc911fe96711bbb66f8d79999fe01aae4447a53c78a8331

Aliases

arxiv: 1504.02420 · arxiv_version: 1504.02420v1 · doi: 10.48550/arxiv.1504.02420 · pith_short_12: 62RLK2PDXJW7 · pith_short_16: 62RLK2PDXJW7BD6J · pith_short_8: 62RLK2PD

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/62RLK2PDXJW7BD6JCH7JM4I3XN \
  | 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: f6a2b569e3ba6df08fc911fe96711bbb66f8d79999fe01aae4447a53c78a8331

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9c99f9ae8e2800bb0de9f3dd05a6fef990152490974c4fc7dffa052754797d2",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-04-09T18:54:57Z",
    "title_canon_sha256": "e6f2e13b100f1b4a67f9b50ab211ac54866f07950eafda88041cf4ba06440107"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02420",
    "kind": "arxiv",
    "version": 1
  }
}