Pith Number

pith:OCNWHIRQ

pith:2013:OCNWHIRQRIOCUF75YNZVB2ZTWF

not attested not anchored not stored refs pending

Constraint Expressions and Workflow Satisfiability

Gregory Gutin, Jason Crampton

arxiv:1301.3402 v2 · 2013-01-13 · 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{OCNWHIRQRIOCUF75YNZVB2ZTWF}

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	2026-05-18T03:31:06.272124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

709b63a2308a1c2a17fdc37350eb33b17c13c2422d02d8d517a0a051b2da8411

Aliases

arxiv: 1301.3402 · arxiv_version: 1301.3402v2 · doi: 10.48550/arxiv.1301.3402 · pith_short_12: OCNWHIRQRIOC · pith_short_16: OCNWHIRQRIOCUF75 · pith_short_8: OCNWHIRQ

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/OCNWHIRQRIOCUF75YNZVB2ZTWF \
  | 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: 709b63a2308a1c2a17fdc37350eb33b17c13c2422d02d8d517a0a051b2da8411

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64515825bf11f45ee085973d249e4ad156f45605a9a496bfdf4f1b6e870ef5a1",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-01-13T13:56:40Z",
    "title_canon_sha256": "2306f36684d411d5938ae25609264aff4c9167bc6f6b2baa3207b7d43ba69204"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.3402",
    "kind": "arxiv",
    "version": 2
  }
}