Pith Number

pith:N2FRL3IP

pith:2019:N2FRL3IPL2YGBNJ7ZILX3MTS2A

not attested not anchored not stored refs pending

Computing autotopism groups of partial Latin rectangles: a pilot study

Daniel Kotlar, Ra\'ul M. Falc\'on, Rebecca J. Stones, Trent G. Marbach

arxiv:1910.10103 v1 · 2019-10-22 · 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{N2FRL3IPL2YGBNJ7ZILX3MTS2A}

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	2026-07-05T02:50:04.690188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e8b15ed0f5eb060b53fca177db272d02fb7a5ed9c82ebcfd455a66d045696ae

Aliases

arxiv: 1910.10103 · arxiv_version: 1910.10103v1 · doi: 10.48550/arxiv.1910.10103 · pith_short_12: N2FRL3IPL2YG · pith_short_16: N2FRL3IPL2YGBNJ7 · pith_short_8: N2FRL3IP

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/N2FRL3IPL2YGBNJ7ZILX3MTS2A \
  | 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: 6e8b15ed0f5eb060b53fca177db272d02fb7a5ed9c82ebcfd455a66d045696ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0edf95a1236d06cf859d4c61f2e0ecd4b524fa5504871e0237f2618893ba41f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-10-22T16:41:27Z",
    "title_canon_sha256": "9bebfac445dbc03a4d047760900260498522a225046a72d720d4bcc4956cf3c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.10103",
    "kind": "arxiv",
    "version": 1
  }
}