Pith Number

pith:3OC3FIYZ

pith:1994:3OC3FIYZJBQNXP2ZJRQHXZLWNW

not attested not anchored not stored refs pending

Tiling a rectangle with the fewest squares

Richard Kenyon

arxiv:math/9411215 v1 · 1994-11-28 · math.CO · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3OC3FIYZJBQNXP2ZJRQHXZLWNW}

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	2026-05-18T01:05:50.882831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db85b2a3194860dbbf594c607be5766da8aa21abed80d9790521dcde93c45dd0

Aliases

arxiv: math/9411215 · arxiv_version: math/9411215v1 · doi: 10.48550/arxiv.math/9411215 · pith_short_12: 3OC3FIYZJBQN · pith_short_16: 3OC3FIYZJBQNXP2Z · pith_short_8: 3OC3FIYZ

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/3OC3FIYZJBQNXP2ZJRQHXZLWNW \
  | 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: db85b2a3194860dbbf594c607be5766da8aa21abed80d9790521dcde93c45dd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "152a94da648db3705c3e8e85079c6cc3c38687a88a62807328339daa5c30d0e1",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "",
    "primary_cat": "math.CO",
    "submitted_at": "1994-11-28T00:00:00Z",
    "title_canon_sha256": "3cec328ba542e9c2acf3e39cfd747285aca1c4e2e04d6703e921c96906c347b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9411215",
    "kind": "arxiv",
    "version": 1
  }
}