Pith Number

pith:GCQWHWDQ

pith:2002:GCQWHWDQ3GL5C5JSVBWVMI7ODH

not attested not anchored not stored refs pending

Soft Concurrent Constraint Programming

(2) Dipartimento di Informatica, (3) Dipartimento di Matematica Pura ed Applicata, C.N.R., F. Rossi (3) ((1) Istituto di Informatica e Telematica, Italy, Italy), Pisa, S. Bistarelli (1), U. Montanari (2), Universita di Padova, Universita di Pisa

arxiv:cs/0208008 v1 · 2002-08-06 · cs.PL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GCQWHWDQ3GL5C5JSVBWVMI7ODH}

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	2026-05-18T00:22:33.555555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30a163d870d997d17532a86d5623ee19caa0a671ed3e7180eec4aec37261ad05

Aliases

arxiv: cs/0208008 · arxiv_version: cs/0208008v1 · doi: 10.48550/arxiv.cs/0208008 · pith_short_12: GCQWHWDQ3GL5 · pith_short_16: GCQWHWDQ3GL5C5JS · pith_short_8: GCQWHWDQ

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/GCQWHWDQ3GL5C5JSVBWVMI7ODH \
  | 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: 30a163d870d997d17532a86d5623ee19caa0a671ed3e7180eec4aec37261ad05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbc62c310c7daddc6bb306c764f9162b0bf642d5de6717f59334bad06fbb93fc",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "",
    "primary_cat": "cs.PL",
    "submitted_at": "2002-08-06T19:08:55Z",
    "title_canon_sha256": "5dba7fcb459eab1235d6f08f329be9b410035d988602b4de19367fd2f507b5d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0208008",
    "kind": "arxiv",
    "version": 1
  }
}