Pith Number

pith:RLXYUIJW

pith:2015:RLXYUIJWHAN6QD3BNVIFQ6R6HR

not attested not anchored not stored refs pending

On generalized Howell designs with block size three

Andrea C. Burgess, Eric Mendelsohn, Peter Danziger, R. Julian R. Abel, Robert F. Bailey

arxiv:1501.02502 v3 · 2015-01-11 · 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{RLXYUIJWHAN6QD3BNVIFQ6R6HR}

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	2026-05-18T01:28:05.622556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8aef8a2136381be80f616d50587a3e3c79de642bbb652aaa30b42c24b85e0724

Aliases

arxiv: 1501.02502 · arxiv_version: 1501.02502v3 · doi: 10.48550/arxiv.1501.02502 · pith_short_12: RLXYUIJWHAN6 · pith_short_16: RLXYUIJWHAN6QD3B · pith_short_8: RLXYUIJW

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/RLXYUIJWHAN6QD3BNVIFQ6R6HR \
  | 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: 8aef8a2136381be80f616d50587a3e3c79de642bbb652aaa30b42c24b85e0724

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f90f78c26c778955f362fdd02110f7f98e41d47491889fe30ba8f73abc408a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-01-11T22:20:58Z",
    "title_canon_sha256": "5e723d63d0d59784d35f4736498fcf8baced9262c1f457e829bfd71b669bf08a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.02502",
    "kind": "arxiv",
    "version": 3
  }
}