Pith Number

pith:2KLBY7DL

pith:2018:2KLBY7DL74KM6D2XNU57FONOLL

not attested not anchored not stored refs pending

Balanced diagonals in frequency squares

Adam Mammoliti, Nicholas Cavenagh

arxiv:1802.01217 v1 · 2018-02-04 · 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{2KLBY7DL74KM6D2XNU57FONOLL}

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	2026-05-18T00:24:27.031995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2961c7c6bff14cf0f576d3bf2b9ae5afc65231149721c1133093824cfd92577

Aliases

arxiv: 1802.01217 · arxiv_version: 1802.01217v1 · doi: 10.48550/arxiv.1802.01217 · pith_short_12: 2KLBY7DL74KM · pith_short_16: 2KLBY7DL74KM6D2X · pith_short_8: 2KLBY7DL

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/2KLBY7DL74KM6D2XNU57FONOLL \
  | 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: d2961c7c6bff14cf0f576d3bf2b9ae5afc65231149721c1133093824cfd92577

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4c8bceb1274ea300188cb9970a43afa6a6f5dc0e1bec06aa1e82fe7945a347c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-02-04T23:32:26Z",
    "title_canon_sha256": "e5899b9371f6cbd9537e5001cd6fc4a0ec71d88648a0f044b119aa4c6a731148"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01217",
    "kind": "arxiv",
    "version": 1
  }
}