Pith Number

pith:S2MRCUMM

pith:2016:S2MRCUMM6O67474JHUXWUCTSAG

not attested not anchored not stored refs pending

Classification of quasi-symmetric 2-(64,24,46) designs of Blokhuis-Haemers type

Bernardo Rodrigues, Dean Crnkovic, Sanja Rukavina, Vladimir D. Tonchev

arxiv:1602.05446 v1 · 2016-02-17 · 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{S2MRCUMM6O67474JHUXWUCTSAG}

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	2026-05-18T01:20:28.176624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

969911518cf3bdfe7f893d2f6a0a7201aba4e04dd076d607117ab8341029c93a

Aliases

arxiv: 1602.05446 · arxiv_version: 1602.05446v1 · doi: 10.48550/arxiv.1602.05446 · pith_short_12: S2MRCUMM6O67 · pith_short_16: S2MRCUMM6O67474J · pith_short_8: S2MRCUMM

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/S2MRCUMM6O67474JHUXWUCTSAG \
  | 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: 969911518cf3bdfe7f893d2f6a0a7201aba4e04dd076d607117ab8341029c93a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6e8643e4fd613e88973c89d64de4df24bed85149fd002ac41091b2c2acb2a95",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-02-17T15:10:18Z",
    "title_canon_sha256": "600b2ff4ce9bda3b0af398699736f949f2b9339275e37f3bfa54118fb4ba921b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.05446",
    "kind": "arxiv",
    "version": 1
  }
}