Pith Number

pith:PS3GOL5W

pith:2019:PS3GOL5WSGSZIVCHEOV4Y7V4BO

not attested not anchored not stored refs pending

The Cuntz semigroup and the radius of comparison of the crossed product by a finite group

M. Ali Asadi-Vasfi, Nasser Golestani, N. Christopher Phillips

arxiv:1908.06343 v1 · 2019-08-17 · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PS3GOL5WSGSZIVCHEOV4Y7V4BO}

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	2026-07-04T23:58:14.822575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cb6672fb691a594544723abcc7ebc0bbe4d4bde3dccec94b5d2d95085d3a9f4

Aliases

arxiv: 1908.06343 · arxiv_version: 1908.06343v1 · doi: 10.48550/arxiv.1908.06343 · pith_short_12: PS3GOL5WSGSZ · pith_short_16: PS3GOL5WSGSZIVCH · pith_short_8: PS3GOL5W

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/PS3GOL5WSGSZIVCHEOV4Y7V4BO \
  | 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: 7cb6672fb691a594544723abcc7ebc0bbe4d4bde3dccec94b5d2d95085d3a9f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edd0c17488198d7ee0f0fd6d2e523d8b61eb64bf0269718dd09836e87b3d9950",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2019-08-17T22:35:57Z",
    "title_canon_sha256": "9a492ec343dbb7645e0fc8d0b0a572381d27c641254537a9fa553a97700e96b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06343",
    "kind": "arxiv",
    "version": 1
  }
}