Pith Number

pith:5WP3K2W7

pith:2021:5WP3K2W7UAKKBHMEC2LQPLK7RT

not attested not anchored not stored refs pending

Hamilton transversals in random Latin squares

Stephen Gould, Tom Kelly

arxiv:2104.12718 v3 · 2021-04-26 · 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{5WP3K2W7UAKKBHMEC2LQPLK7RT}

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	2026-07-05T04:13:09.741766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed9fb56adfa014a09d84169707ad5f8cc532bbb39644d196425e1bb3ff0cf927

Aliases

arxiv: 2104.12718 · arxiv_version: 2104.12718v3 · doi: 10.48550/arxiv.2104.12718 · pith_short_12: 5WP3K2W7UAKK · pith_short_16: 5WP3K2W7UAKKBHME · pith_short_8: 5WP3K2W7

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/5WP3K2W7UAKKBHMEC2LQPLK7RT \
  | 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: ed9fb56adfa014a09d84169707ad5f8cc532bbb39644d196425e1bb3ff0cf927

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fde9faa6866ca30a90eae5ecdf96f6baf69d33c6b4ef597717337ea0346487b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2021-04-26T17:03:43Z",
    "title_canon_sha256": "2bcb3939dddee86a75a079e07ecdc582ec7f11bb16046a56c94c020ae5c56942"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.12718",
    "kind": "arxiv",
    "version": 3
  }
}