Pith Number

pith:HVID6OI7

pith:2014:HVID6OI7PVLAELGGCUXTRZ2IU2

not attested not anchored not stored refs pending

Constructions of A Large Class of Optimum Constant Weight Codes over F_2

Masao Kasahara, Shigeichi Hirasawa

arxiv:1406.5797 v1 · 2014-06-23 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HVID6OI7PVLAELGGCUXTRZ2IU2}

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	2026-05-18T02:49:10.734357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d503f391f7d56022cc6152f38e748a68b3d66ee6ed912ae7bb965e7b1d12d71

Aliases

arxiv: 1406.5797 · arxiv_version: 1406.5797v1 · doi: 10.48550/arxiv.1406.5797 · pith_short_12: HVID6OI7PVLA · pith_short_16: HVID6OI7PVLAELGG · pith_short_8: HVID6OI7

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/HVID6OI7PVLAELGGCUXTRZ2IU2 \
  | 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: 3d503f391f7d56022cc6152f38e748a68b3d66ee6ed912ae7bb965e7b1d12d71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "359ac963b9da19de3a239d6cdf62ee4a9129bcac4d0653eaf1ff15a834bae526",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-06-23T02:32:52Z",
    "title_canon_sha256": "8cfa2e2636f88671f135eb5002aa340e80e0b9d19d58d916f949e0390a1a4957"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.5797",
    "kind": "arxiv",
    "version": 1
  }
}