Pith Number

pith:7TWIJHCA

pith:2017:7TWIJHCAKDEN5A77YFUYDAL7CK

not attested not anchored not stored refs pending

Primitive ideals and pure infiniteness of ultragraph $C^*$-algebras

Hossein Larki

arxiv:1704.05053 v1 · 2017-04-16 · math.OA · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7TWIJHCAKDEN5A77YFUYDAL7CK}

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	2026-05-18T00:46:11.794275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcec849c4050c8de83ffc16981817f1296a2d2bca69d3bb83c89d7c0e66fe9d9

Aliases

arxiv: 1704.05053 · arxiv_version: 1704.05053v1 · doi: 10.48550/arxiv.1704.05053 · pith_short_12: 7TWIJHCAKDEN · pith_short_16: 7TWIJHCAKDEN5A77 · pith_short_8: 7TWIJHCA

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/7TWIJHCAKDEN5A77YFUYDAL7CK \
  | 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: fcec849c4050c8de83ffc16981817f1296a2d2bca69d3bb83c89d7c0e66fe9d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a89a28e70e424887e746f67bb4f57c748b2720c9859c1e2a241d972775f1f55e",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2017-04-16T17:22:52Z",
    "title_canon_sha256": "a64c70313d22dce8df2e98c77d6d2de92c27272125e4697538293f3128879176"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.05053",
    "kind": "arxiv",
    "version": 1
  }
}