Pith Number

pith:FO3IS543

pith:2026:FO3IS543DRFYZ5LA6JEBDGR7LZ

not attested not anchored not stored refs pending

Transforming Constraint Programs to Input for Local Search

Jo Devriendt, Marc Denecker, Patrick De Causmaecker

arxiv:2605.19671 v1 · 2026-05-19 · 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{FO3IS543DRFYZ5LA6JEBDGR7LZ}

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	2026-05-20T01:05:57.078628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bb689779b1c4b8cf560f248119a3f5e74152afab0bb5d924cba0b2d35d818e5

Aliases

arxiv: 2605.19671 · arxiv_version: 2605.19671v1 · doi: 10.48550/arxiv.2605.19671 · pith_short_12: FO3IS543DRFY · pith_short_16: FO3IS543DRFYZ5LA · pith_short_8: FO3IS543

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/FO3IS543DRFYZ5LA6JEBDGR7LZ \
  | 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: 2bb689779b1c4b8cf560f248119a3f5e74152afab0bb5d924cba0b2d35d818e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "982dd293fc808f1b227ecc436a95e8b17ef5d26c35d8fe65a4cf820b32cad4fe",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-05-19T11:02:08Z",
    "title_canon_sha256": "a7f1cef5e1b5bdf1d9d9a50c7cf183f9c503011b6c94e7c4d98538f3bb62409c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19671",
    "kind": "arxiv",
    "version": 1
  }
}