Pith Number

pith:2U6L2SF6

pith:2012:2U6L2SF6GVUCDIQZWSFU232JOZ

not attested not anchored not stored refs pending

A note on the existence of BH(19,6) matrices

Ferenc Sz\"oll\H{o}si

arxiv:1204.5166 v1 · 2012-04-23 · math.CO · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2U6L2SF6GVUCDIQZWSFU232JOZ}

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	2026-05-18T03:57:14.558661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d53cbd48be356821a219b48b4d6f4976534510ec009abadda636bdb3f40a6974

Aliases

arxiv: 1204.5166 · arxiv_version: 1204.5166v1 · doi: 10.48550/arxiv.1204.5166 · pith_short_12: 2U6L2SF6GVUC · pith_short_16: 2U6L2SF6GVUCDIQZ · pith_short_8: 2U6L2SF6

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/2U6L2SF6GVUCDIQZWSFU232JOZ \
  | 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: d53cbd48be356821a219b48b4d6f4976534510ec009abadda636bdb3f40a6974

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42f2f5f27ebe700ab7c8495f2a2dcc5ff7dbb3128c51190be5a68fe4568b63cf",
    "cross_cats_sorted": [
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-04-23T19:55:25Z",
    "title_canon_sha256": "091c41aa1a14d719345ce4a5da95b1f479103ab80559c6dc96955431e70a158b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5166",
    "kind": "arxiv",
    "version": 1
  }
}