Pith Number

pith:NWBPGGSD

pith:2011:NWBPGGSDQ5CQCVCEXPT6DOSS4G

not attested not anchored not stored refs pending

Kernels for Global Constraints

Serge Gaspers, Stefan Szeider

arxiv:1104.2541 v1 · 2011-04-13 · cs.AI · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NWBPGGSDQ5CQCVCEXPT6DOSS4G}

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	2026-05-18T04:24:34.640371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d82f31a438745015444bbe7e1ba52e1bbd91193c57bee13a93181c3da0a5e62

Aliases

arxiv: 1104.2541 · arxiv_version: 1104.2541v1 · doi: 10.48550/arxiv.1104.2541 · pith_short_12: NWBPGGSDQ5CQ · pith_short_16: NWBPGGSDQ5CQCVCE · pith_short_8: NWBPGGSD

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/NWBPGGSDQ5CQCVCEXPT6DOSS4G \
  | 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: 6d82f31a438745015444bbe7e1ba52e1bbd91193c57bee13a93181c3da0a5e62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fc20c3b2c3a834a583f177428357116c570b7e65d37850b88111572b2d7b932",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2011-04-13T16:27:20Z",
    "title_canon_sha256": "a8b34564640084f557334a41f6a0004fd96b13565714931267e859e1e697ffd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2541",
    "kind": "arxiv",
    "version": 1
  }
}