Pith Number

pith:JHUM5WAU

pith:2013:JHUM5WAUDPAIYBG6JACTYCYYGM

not attested not anchored not stored refs pending

Representing Kirchberg algebras as inverse semigroup crossed products

Enrique Pardo, Ruy Exel

arxiv:1303.6268 v2 · 2013-03-25 · math.OA · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JHUM5WAUDPAIYBG6JACTYCYYGM}

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	2026-05-18T03:27:22.503058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49e8ced8141bc08c04de48053c0b1833390d191753b229f49cf2ab5748771ddf

Aliases

arxiv: 1303.6268 · arxiv_version: 1303.6268v2 · doi: 10.48550/arxiv.1303.6268 · pith_short_12: JHUM5WAUDPAI · pith_short_16: JHUM5WAUDPAIYBG6 · pith_short_8: JHUM5WAU

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/JHUM5WAUDPAIYBG6JACTYCYYGM \
  | 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: 49e8ced8141bc08c04de48053c0b1833390d191753b229f49cf2ab5748771ddf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5058dd11cbd7d897d42c0f5be3fc3040197a26e42fb85f2ddfaac1d8a1f0a0dd",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2013-03-25T19:47:15Z",
    "title_canon_sha256": "dee40b30ebd1d669fd39cbea5ad7c35fd1eb895840fc2f30c7285acf32018116"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6268",
    "kind": "arxiv",
    "version": 2
  }
}