Pith Number

pith:T2WYA4QX

pith:2015:T2WYA4QXCKUDZNZG3HJWBZ4BWD

not attested not anchored not stored refs pending

Mosaics of Combinatorial Designs

Marcus Greferath, Mario Osvin Pav\v{c}evi\'c, Oliver W. Gnilke

arxiv:1503.01643 v2 · 2015-03-05 · math.CO · 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{T2WYA4QXCKUDZNZG3HJWBZ4BWD}

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	2026-05-18T01:25:24.631208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ead80721712a83cb726d9d360e781b0f41c23189896c6b10143400c2b8978f9

Aliases

arxiv: 1503.01643 · arxiv_version: 1503.01643v2 · doi: 10.48550/arxiv.1503.01643 · pith_short_12: T2WYA4QXCKUD · pith_short_16: T2WYA4QXCKUDZNZG · pith_short_8: T2WYA4QX

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/T2WYA4QXCKUDZNZG3HJWBZ4BWD \
  | 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: 9ead80721712a83cb726d9d360e781b0f41c23189896c6b10143400c2b8978f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5dcebd0c213825d742291351120fd4bcaaac599ee646636fad8726c904158a3",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-03-05T14:28:00Z",
    "title_canon_sha256": "c6fdac6bad84a149f24aa8ee4903fd5ca3ace52af86c44369b79569c013ac01a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01643",
    "kind": "arxiv",
    "version": 2
  }
}