Pith Number

pith:LI4EFKXO

pith:2026:LI4EFKXOCOMLGLEZF3OAXUK6IA

not attested not anchored not stored refs pending

Global Difference Constraint Propagation for Constraint Programming

Andreas Schutt, Jip J. Dekker, Lucas Kletzander, Peter J. Stuckey

arxiv:2607.20022 v1 · 2026-07-22 · 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{LI4EFKXOCOMLGLEZF3OAXUK6IA}

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	2026-07-23T01:24:55.982676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a3842aaee1398b32c992edc0bd15e402bcf31ecdaa60a344cbfc658ca302511

Aliases

arxiv: 2607.20022 · arxiv_version: 2607.20022v1 · doi: 10.48550/arxiv.2607.20022 · pith_short_12: LI4EFKXOCOML · pith_short_16: LI4EFKXOCOMLGLEZ · pith_short_8: LI4EFKXO

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/LI4EFKXOCOMLGLEZF3OAXUK6IA \
  | 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: 5a3842aaee1398b32c992edc0bd15e402bcf31ecdaa60a344cbfc658ca302511

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4a7cf851905f29383e8692f9c6f09dbecf7d7e8b9cdae1321845a892e7e0d52",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-22T11:02:56Z",
    "title_canon_sha256": "260e77698b44c2e8b8446e6905f57f8dc806dbf616fe165f149d686f8209f714"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.20022",
    "kind": "arxiv",
    "version": 1
  }
}