Pith Number

pith:EOYAN2DM

pith:2010:EOYAN2DM5GR6NPZHR2DSCZK2JS

not attested not anchored not stored refs pending

Quasi-free actions of finite groups on the Cuntz algebra $\mathcal{O}_\infty$

Masaki Izumi, Pavle Goldstein

arxiv:1012.0089 v1 · 2010-12-01 · 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{EOYAN2DM5GR6NPZHR2DSCZK2JS}

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	2026-05-18T04:34:18.980519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23b006e86ce9a3e6bf278e8721655a4ca0f8d3e2b89b10c0a1af64aa2b693061

Aliases

arxiv: 1012.0089 · arxiv_version: 1012.0089v1 · doi: 10.48550/arxiv.1012.0089 · pith_short_12: EOYAN2DM5GR6 · pith_short_16: EOYAN2DM5GR6NPZH · pith_short_8: EOYAN2DM

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/EOYAN2DM5GR6NPZHR2DSCZK2JS \
  | 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: 23b006e86ce9a3e6bf278e8721655a4ca0f8d3e2b89b10c0a1af64aa2b693061

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f2f4c0976e2b807ffbd74fe0348f3ac461a9cf1634f0cdea19ab7ea3f87e2ab",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2010-12-01T03:47:07Z",
    "title_canon_sha256": "d4499c758e1cc5525d66ee212366221e791a7eea1a2eabb615a5b525a902fb74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.0089",
    "kind": "arxiv",
    "version": 1
  }
}