Pith Number

pith:RBUKZTTC

pith:2014:RBUKZTTCB4IWITETHWXODXJPBD

not attested not anchored not stored refs pending

Pairwise transitive 2-designs

Alice Devillers, Cheryl E. Praeger

arxiv:1405.3030 v2 · 2014-05-13 · math.CO · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RBUKZTTCB4IWITETHWXODXJPBD}

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	2026-05-18T02:30:01.114375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8868acce620f11644c933daee1dd2f08fd6037c383a21cf66d3ccc6e6b4d7850

Aliases

arxiv: 1405.3030 · arxiv_version: 1405.3030v2 · doi: 10.48550/arxiv.1405.3030 · pith_short_12: RBUKZTTCB4IW · pith_short_16: RBUKZTTCB4IWITET · pith_short_8: RBUKZTTC

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/RBUKZTTCB4IWITETHWXODXJPBD \
  | 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: 8868acce620f11644c933daee1dd2f08fd6037c383a21cf66d3ccc6e6b4d7850

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "827e37fd36bc8cefa89faa882b9d36b37ea201f2c8d63e8877be460623ac99b6",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-05-13T04:19:59Z",
    "title_canon_sha256": "b5cdc23bb4432f9f45f630269ab93a2851bfcbf5c121ff7e7a94e76f390a5790"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.3030",
    "kind": "arxiv",
    "version": 2
  }
}