Pith Number

pith:7VZYZQXV

pith:2006:7VZYZQXVC4FH5S4W3EW2QO7CT2

not attested not anchored not stored refs pending

On Orthogonality of Latin Squares

Moon Ho Lee, R.N.Mohan, Subash Pokreal

arxiv:cs/0604041 v2 · 2006-04-11 · cs.DM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7VZYZQXVC4FH5S4W3EW2QO7CT2}

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	2026-05-18T04:08:54.082239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd738cc2f5170a7ecb96d92da83be29e9428b2976b9e0bfafb7794a04f7f74db

Aliases

arxiv: cs/0604041 · arxiv_version: cs/0604041v2 · doi: 10.48550/arxiv.cs/0604041 · pith_short_12: 7VZYZQXVC4FH · pith_short_16: 7VZYZQXVC4FH5S4W · pith_short_8: 7VZYZQXV

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/7VZYZQXVC4FH5S4W3EW2QO7CT2 \
  | 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: fd738cc2f5170a7ecb96d92da83be29e9428b2976b9e0bfafb7794a04f7f74db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9c9f70da17337a4210ec2eef35d96daeb90da7836ec3feb273d03956c124886",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.DM",
    "submitted_at": "2006-04-11T02:54:04Z",
    "title_canon_sha256": "6c53eef22c4e1600dab02ae2d8f87b5bb1da3c5b4e18a63aaa1cf479e6d2bc61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0604041",
    "kind": "arxiv",
    "version": 2
  }
}