Pith Number

pith:FXPSCEJP

pith:2013:FXPSCEJPH6FO3D4NIJI6REE4MD

not attested not anchored not stored refs pending

Tractable Combinations of Global Constraints

David A. Cohen, Evgenij Thorstensen, Peter G. Jeavons, Stanislav \v{Z}ivn\'y

arxiv:1307.2867 v1 · 2013-07-10 · cs.AI · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FXPSCEJPH6FO3D4NIJI6REE4MD}

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	2026-05-18T03:18:50.192343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ddf21112f3f8aed8f8d4251e8909c60cacb23eb85762e89b2a0856184c781f4

Aliases

arxiv: 1307.2867 · arxiv_version: 1307.2867v1 · doi: 10.48550/arxiv.1307.2867 · pith_short_12: FXPSCEJPH6FO · pith_short_16: FXPSCEJPH6FO3D4N · pith_short_8: FXPSCEJP

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/FXPSCEJPH6FO3D4NIJI6REE4MD \
  | 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: 2ddf21112f3f8aed8f8d4251e8909c60cacb23eb85762e89b2a0856184c781f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9cbb58f58e766ac5c4dd711d95baac438f3a63d24198d267ad03c563d4463ca",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2013-07-10T18:01:30Z",
    "title_canon_sha256": "7728d7f0b074a40e968af45c2a0e96bd870a13980887b14f17f90008803b9379"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.2867",
    "kind": "arxiv",
    "version": 1
  }
}