Pith Number

pith:5E2J5HZ3

pith:2014:5E2J5HZ3IEBL2AOUGU4DATSK5H

not attested not anchored not stored refs pending

An Efficient Local Search for Partial Latin Square Extension Problem

Kazuya Haraguchi

arxiv:1405.2571 v4 · 2014-05-11 · 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{5E2J5HZ3IEBL2AOUGU4DATSK5H}

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	2026-05-18T02:25:34.134250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9349e9f3b4102bd01d43538304e4ae9d76db959a58fb745eba2b571648187e0

Aliases

arxiv: 1405.2571 · arxiv_version: 1405.2571v4 · doi: 10.48550/arxiv.1405.2571 · pith_short_12: 5E2J5HZ3IEBL · pith_short_16: 5E2J5HZ3IEBL2AOU · pith_short_8: 5E2J5HZ3

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/5E2J5HZ3IEBL2AOUGU4DATSK5H \
  | 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: e9349e9f3b4102bd01d43538304e4ae9d76db959a58fb745eba2b571648187e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03b18d7e66fe67ef336b898c527f88dbbd08e8509e319fe70620b886f131fd5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-05-11T19:07:55Z",
    "title_canon_sha256": "cc5a8c13eaaf78a5029dc47087aade294f1cac56d26773ec395b9932864d0107"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2571",
    "kind": "arxiv",
    "version": 4
  }
}