Pith Number

pith:B5S273CH

pith:2014:B5S273CHXWKPNIGECDGVA5BWHT

not attested not anchored not stored refs pending

Binary pattern tile set synthesis is NP-hard

Lila Kari, Matthew J. Patitz, Pierre-\'Etienne Meunier, Shinnosuke Seki, Steffen Kopecki

arxiv:1404.0967 v1 · 2014-04-03 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B5S273CHXWKPNIGECDGVA5BWHT}

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	2026-05-18T02:54:54.868046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f65afec47bd94f6a0c410cd5074363cc81e88d4b750f1be2221d49dbb9f7808

Aliases

arxiv: 1404.0967 · arxiv_version: 1404.0967v1 · doi: 10.48550/arxiv.1404.0967 · pith_short_12: B5S273CHXWKP · pith_short_16: B5S273CHXWKPNIGE · pith_short_8: B5S273CH

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/B5S273CHXWKPNIGECDGVA5BWHT \
  | 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: 0f65afec47bd94f6a0c410cd5074363cc81e88d4b750f1be2221d49dbb9f7808

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef3c79a65dbbe402edff99237f6f60c77e698209d797890c8fd2021fd7af10e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2014-04-03T15:26:13Z",
    "title_canon_sha256": "ccee550c4b4b67b9ddc92c8fdd5c7d2800d5bc04c5e6af09fed1d2207c3506be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.0967",
    "kind": "arxiv",
    "version": 1
  }
}