Pith Number

pith:Q3JVUQTK

pith:2018:Q3JVUQTKASM5ZNWXLH373RRY42

not attested not anchored not stored refs pending

Latin Cubes with Forbidden Entries

Carl Johan Casselgren, Klas Markstr\"om, Lan Anh Pham

arxiv:1809.02392 v1 · 2018-09-07 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q3JVUQTKASM5ZNWXLH373RRY42}

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	2026-05-18T00:06:17.244999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86d35a426a0499dcb6d759f7fdc638e6aadbe0a89969fe8c9521f1c610b953a8

Aliases

arxiv: 1809.02392 · arxiv_version: 1809.02392v1 · doi: 10.48550/arxiv.1809.02392 · pith_short_12: Q3JVUQTKASM5 · pith_short_16: Q3JVUQTKASM5ZNWX · pith_short_8: Q3JVUQTK

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/Q3JVUQTKASM5ZNWXLH373RRY42 \
  | 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: 86d35a426a0499dcb6d759f7fdc638e6aadbe0a89969fe8c9521f1c610b953a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7ae0d0a6301983e4faebd8f5a3cc89a657cfa3023ef8a51ea98df8bce79a067",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-09-07T10:31:55Z",
    "title_canon_sha256": "df3c8ad4092b6889e6982894360e0e53b66c4c11b2c9f4da40bb1ba8b0041b91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02392",
    "kind": "arxiv",
    "version": 1
  }
}