Pith Number

pith:LW3WXH67

pith:2016:LW3WXH67HKLLIRB25IHFZFQE5R

not attested not anchored not stored refs pending

XCSP3: An Integrated Format for Benchmarking Combinatorial Constrained Problems

C\'edric Piette, Christophe Lecoutre, Frederic Boussemart, Gilles Audemard

arxiv:1611.03398 v5 · 2016-11-10 · 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{LW3WXH67HKLLIRB25IHFZFQE5R}

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.

Cited by

2 papers in Pith

Reasoning in a Combinatorial and Constrained World: Benchmarking LLMs on Natural-Language Combinatorial Optimization

PyCSP3-Scheduling: A Scheduling Extension for PyCSP3

Receipt and verification

First computed	2026-07-05T09:00:33.581775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5db76b9fdf3a96b4443aea0e5c9604ec7414f495801e35e91626493af097358e

Aliases

arxiv: 1611.03398 · arxiv_version: 1611.03398v5 · doi: 10.48550/arxiv.1611.03398 · pith_short_12: LW3WXH67HKLL · pith_short_16: LW3WXH67HKLLIRB2 · pith_short_8: LW3WXH67

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/LW3WXH67HKLLIRB25IHFZFQE5R \
  | 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: 5db76b9fdf3a96b4443aea0e5c9604ec7414f495801e35e91626493af097358e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fbc804b13e8f49ca60a6c3f6c22c33a5a66db4f306dad54252e6aaf28e8422c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2016-11-10T17:00:56Z",
    "title_canon_sha256": "dfc7c5a14824ddeb994f4fd35d5383703e9929998c0399e13cd36e2eb08beb15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.03398",
    "kind": "arxiv",
    "version": 5
  }
}