Pith Number

pith:UBG6M3MS

pith:2015:UBG6M3MSTAXMHPCJFMZCKIRHE2

not attested not anchored not stored refs pending

An intrinsic characterization of C*-simplicity

Matthew Kennedy

arxiv:1509.01870 v5 · 2015-09-07 · math.OA · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UBG6M3MSTAXMHPCJFMZCKIRHE2}

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

1 paper in Pith

A Groupoid Picture of Elek Algebras

Receipt and verification

First computed	2026-05-18T00:02:50.207053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a04de66d92982ec3bc492b3225222726b4957319a309118a91632bd0937b43d6

Aliases

arxiv: 1509.01870 · arxiv_version: 1509.01870v5 · doi: 10.48550/arxiv.1509.01870 · pith_short_12: UBG6M3MSTAXM · pith_short_16: UBG6M3MSTAXMHPCJ · pith_short_8: UBG6M3MS

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/UBG6M3MSTAXMHPCJFMZCKIRHE2 \
  | 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: a04de66d92982ec3bc492b3225222726b4957319a309118a91632bd0937b43d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "721c987a8e4203be28a22c669774ed01eca9a57591489eaaae4317b09907641c",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2015-09-07T00:33:06Z",
    "title_canon_sha256": "9db1effb4b8acb5afde968e28ad03b192777e8c0d80e599c0c0d431c0ff5d0e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.01870",
    "kind": "arxiv",
    "version": 5
  }
}