Pith Number

pith:YBDLOMCJ

pith:2011:YBDLOMCJKR34DJLKRPOPPWAURI

not attested not anchored not stored refs pending

Nomura algebras of nonsymmetric Hadamard models

Akihiro Munemasa, Takuya Ikuta

arxiv:1108.2581 v2 · 2011-08-12 · 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{YBDLOMCJKR34DJLKRPOPPWAURI}

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	2026-05-18T00:32:31.830689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c046b730495477c1a56a8bdcf7d8148a0f475e90bbf57d49b538f2789614abfe

Aliases

arxiv: 1108.2581 · arxiv_version: 1108.2581v2 · doi: 10.48550/arxiv.1108.2581 · pith_short_12: YBDLOMCJKR34 · pith_short_16: YBDLOMCJKR34DJLK · pith_short_8: YBDLOMCJ

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/YBDLOMCJKR34DJLKRPOPPWAURI \
  | 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: c046b730495477c1a56a8bdcf7d8148a0f475e90bbf57d49b538f2789614abfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44c568b124256fcae1b34e900cceba9b05dac29a77ec34dc20c1a19ba9a57df3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-08-12T07:22:11Z",
    "title_canon_sha256": "05d1304b41ef018f7698044e16917e84c3cd9084bda20cef9c8f124323fd1684"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2581",
    "kind": "arxiv",
    "version": 2
  }
}