Pith Number

pith:DRN2YVS7

pith:2012:DRN2YVS7GHE5PFVPI4AFWBOONS

not attested not anchored not stored refs pending

Primeness and primitivity conditions for twisted group $C^*$-algebras

Tron Omland

arxiv:1204.4259 v2 · 2012-04-19 · 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{DRN2YVS7GHE5PFVPI4AFWBOONS}

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	2026-05-18T00:29:21.574508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c5bac565f31c9d796af47005b05ce6c823de8590b83f89d62cb5b050bca3500

Aliases

arxiv: 1204.4259 · arxiv_version: 1204.4259v2 · doi: 10.48550/arxiv.1204.4259 · pith_short_12: DRN2YVS7GHE5 · pith_short_16: DRN2YVS7GHE5PFVP · pith_short_8: DRN2YVS7

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/DRN2YVS7GHE5PFVPI4AFWBOONS \
  | 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: 1c5bac565f31c9d796af47005b05ce6c823de8590b83f89d62cb5b050bca3500

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91a62ea0cd60b5708ac11e8c94f72c5576f7ce46e55d5d2bf9218290c958b9d5",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2012-04-19T06:28:31Z",
    "title_canon_sha256": "7df7cfaecd7f69f6193d43e10a9c205272cadac388d3312d0a29afe869483226"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.4259",
    "kind": "arxiv",
    "version": 2
  }
}