Pith Number

pith:GH3AK4T7

pith:1999:GH3AK4T7AETGFJ4YCKRYKB5LWV

not attested not anchored not stored refs pending

Some Polyomino Tilings of the Plane

Cristopher Moore

arxiv:math/9905012 v1 · 1999-05-03 · 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{GH3AK4T7AETGFJ4YCKRYKB5LWV}

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

1 paper in Pith

Signed puzzles for Schubert coefficients

Receipt and verification

First computed	2026-07-04T14:41:08.568518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31f605727f012662a79812a38507abb56adf9f101573a3052d08b8d6b29a7ec9

Aliases

arxiv: math/9905012 · arxiv_version: math/9905012v1 · doi: 10.48550/arxiv.math/9905012 · pith_short_12: GH3AK4T7AETG · pith_short_16: GH3AK4T7AETGFJ4Y · pith_short_8: GH3AK4T7

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/GH3AK4T7AETGFJ4YCKRYKB5LWV \
  | 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: 31f605727f012662a79812a38507abb56adf9f101573a3052d08b8d6b29a7ec9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "013e5286e5ff3f7671d429571e55b9ef1de457b01e095e7e79f7d60e99f457c7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.CO",
    "submitted_at": "1999-05-03T19:31:20Z",
    "title_canon_sha256": "43718f2c9b3e0ed801ccbf9654942127800373ec6b9f72b5dd4cd635064e9443"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9905012",
    "kind": "arxiv",
    "version": 1
  }
}