Pith Number

pith:46Q3RJ7F

pith:2013:46Q3RJ7FJSUWEQHHHPNSKMIH5M

not attested not anchored not stored refs pending

Association schemoids and their categories

Katsuhiko Kuribayashi, Kentaro Matsuo

arxiv:1304.6883 v2 · 2013-04-25 · math.CT · 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{46Q3RJ7FJSUWEQHHHPNSKMIH5M}

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	2026-05-18T03:16:05.964468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7a1b8a7e54ca96240e73bdb253107eb316dd45a89d768a2be4a00b765206c0a

Aliases

arxiv: 1304.6883 · arxiv_version: 1304.6883v2 · doi: 10.48550/arxiv.1304.6883 · pith_short_12: 46Q3RJ7FJSUW · pith_short_16: 46Q3RJ7FJSUWEQHH · pith_short_8: 46Q3RJ7F

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/46Q3RJ7FJSUWEQHHHPNSKMIH5M \
  | 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: e7a1b8a7e54ca96240e73bdb253107eb316dd45a89d768a2be4a00b765206c0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c30b77a8e54b36863da1a287661555c0f97b039888b438195dddad8c52d4612b",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2013-04-25T11:59:44Z",
    "title_canon_sha256": "d2cd68379cb929b29d9e56f1f4a22747aca72e1335853cdcd9d27f0f807f08f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6883",
    "kind": "arxiv",
    "version": 2
  }
}