Pith Number

pith:JWSNHZQD

pith:2018:JWSNHZQDRFU5I4PLPWFQGYBPL2

not attested not anchored not stored refs pending

The spectrum of group-based Latin squares

Christopher R. Tripp, M. A. Ollis

arxiv:1812.05526 v1 · 2018-12-13 · 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{JWSNHZQDRFU5I4PLPWFQGYBPL2}

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	2026-05-17T23:58:20.034169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4da4d3e6038969d471eb7d8b03602f5e8d094c6079b4929db292f015af659718

Aliases

arxiv: 1812.05526 · arxiv_version: 1812.05526v1 · doi: 10.48550/arxiv.1812.05526 · pith_short_12: JWSNHZQDRFU5 · pith_short_16: JWSNHZQDRFU5I4PL · pith_short_8: JWSNHZQD

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/JWSNHZQDRFU5I4PLPWFQGYBPL2 \
  | 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: 4da4d3e6038969d471eb7d8b03602f5e8d094c6079b4929db292f015af659718

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df56cc112e014a7bd56eb25d416bdacbc67bade72cccc36ee973b23f36289a27",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-12-13T17:10:18Z",
    "title_canon_sha256": "ae8b6d0c31a723998a17cc5d219f911497c4ad755a020e867663032c862b59cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.05526",
    "kind": "arxiv",
    "version": 1
  }
}