Pith Number

pith:ZECSF7DD

pith:2006:ZECSF7DDWAZ74LSYPU5QV4Y2U3

not attested not anchored not stored refs pending

Efficient constraint propagation engines

Christian Schulte, Peter J. Stuckey

arxiv:cs/0611009 v1 · 2006-11-02 · cs.AI · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZECSF7DDWAZ74LSYPU5QV4Y2U3}

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	2026-05-18T04:41:26.395288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c90522fc63b033fe2e587d3b0af31aa6ffa879241b335c68c14447cfe3002443

Aliases

arxiv: cs/0611009 · arxiv_version: cs/0611009v1 · doi: 10.48550/arxiv.cs/0611009 · pith_short_12: ZECSF7DDWAZ7 · pith_short_16: ZECSF7DDWAZ74LSY · pith_short_8: ZECSF7DD

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/ZECSF7DDWAZ74LSYPU5QV4Y2U3 \
  | 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: c90522fc63b033fe2e587d3b0af31aa6ffa879241b335c68c14447cfe3002443

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ca3698a3ee3e9c1ffd27d3b1ed380fad3a1d6b1eec98b1dd3ce268d3a90270b",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "",
    "primary_cat": "cs.AI",
    "submitted_at": "2006-11-02T09:55:07Z",
    "title_canon_sha256": "5fe09ee29e4d47d18285ebfd4c80ffce29d2a87545251171131743308ed54309"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0611009",
    "kind": "arxiv",
    "version": 1
  }
}