Pith Number

pith:27QVOATV

pith:2022:27QVOATVNKJPZQTSINKKAFRDOK

not attested not anchored not stored refs pending

The modern theory of Cuntz semigroups of C*-algebras

Eusebio Gardella, Francesc Perera

arxiv:2212.02290 v2 · 2022-12-05 · math.OA · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{27QVOATVNKJPZQTSINKKAFRDOK}

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.

Cited by

3 papers in Pith

On the Nielsen-Thomsen sequence

Nuclear C*-algebras: 99 problems

Characters of surface groups

Receipt and verification

First computed	2026-07-05T05:24:46.047160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7e15702756a92fcc2724354a0162372ab6b64fb44c226972e0be9b356b74ba2

Aliases

arxiv: 2212.02290 · arxiv_version: 2212.02290v2 · doi: 10.48550/arxiv.2212.02290 · pith_short_12: 27QVOATVNKJP · pith_short_16: 27QVOATVNKJPZQTS · pith_short_8: 27QVOATV

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/27QVOATVNKJPZQTSINKKAFRDOK \
  | 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: d7e15702756a92fcc2724354a0162372ab6b64fb44c226972e0be9b356b74ba2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "997d13e2415992b820b688a1c2604f64c716d5a3c8ddea218b987827c4996407",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2022-12-05T14:11:01Z",
    "title_canon_sha256": "84b97c959c54c8d81e2a72f2ac4aebd54175824b3b849dfbff4814298073c622"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.02290",
    "kind": "arxiv",
    "version": 2
  }
}