Pith Number

pith:BJ65K3BS

pith:2003:BJ65K3BSRHWLUYSFT75S5KYNP5

not attested not anchored not stored refs pending

Aztec Diamonds and Baxter Permutations

Hal Canary

arxiv:math/0309135 v2 · 2003-09-07 · 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{BJ65K3BSRHWLUYSFT75S5KYNP5}

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	2026-05-18T04:42:14.078090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a7dd56c3289ecba62459ffb2eab0d7f640183c8840ebafca2822540a7d75164

Aliases

arxiv: math/0309135 · arxiv_version: math/0309135v2 · doi: 10.48550/arxiv.math/0309135 · pith_short_12: BJ65K3BSRHWL · pith_short_16: BJ65K3BSRHWLUYSF · pith_short_8: BJ65K3BS

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/BJ65K3BSRHWLUYSFT75S5KYNP5 \
  | 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: 0a7dd56c3289ecba62459ffb2eab0d7f640183c8840ebafca2822540a7d75164

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdc0c50a4edf7b12f6c071826f135126ee362095050ec44d2274d9006dd9eff0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.CO",
    "submitted_at": "2003-09-07T20:55:10Z",
    "title_canon_sha256": "7d8f2fc5b517c0d3e0e43428d597349aa56dab839272cea84cbf607d04d1ea0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0309135",
    "kind": "arxiv",
    "version": 2
  }
}