Pith Number

pith:EBVJQ7ES

pith:2024:EBVJQ7ESPRHJQFOTBG3OOFBH3M

not attested not anchored not stored refs pending

Birkhoff-James classification of finite-dimensional $C^*$-algebras

Bojan Kuzma, Sushil Singla

arxiv:2411.15273 v1 · 2024-11-22 · math.OA · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EBVJQ7ESPRHJQFOTBG3OOFBH3M}

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	2026-07-05T09:39:32.243219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

206a987c927c4e9815d309b6e71427db36c1ed5f5963b9d5959e8a25cbcb6321

Aliases

arxiv: 2411.15273 · arxiv_version: 2411.15273v1 · doi: 10.48550/arxiv.2411.15273 · pith_short_12: EBVJQ7ESPRHJ · pith_short_16: EBVJQ7ESPRHJQFOT · pith_short_8: EBVJQ7ES

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/EBVJQ7ESPRHJQFOTBG3OOFBH3M \
  | 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: 206a987c927c4e9815d309b6e71427db36c1ed5f5963b9d5959e8a25cbcb6321

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f9db74fe2b747c9cd6b27f76178b985ce2f414d9e3d61a7ffc56b6427ad9248",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2024-11-22T13:44:49Z",
    "title_canon_sha256": "53c91b08349a7745c44a488fe614c526ba8f22072f61397014c6515ca798ae66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.15273",
    "kind": "arxiv",
    "version": 1
  }
}