Pith Number

pith:HQTZXJVT

pith:2013:HQTZXJVTLI5WSHE35BI43XGOBE

not attested not anchored not stored refs pending

Classification of tight $C^{*}$-algebras over the one-point compactification of $\mathbb{N}$

Efren Ruiz, James Gabe

arxiv:1311.2821 v1 · 2013-11-12 · math.OA · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HQTZXJVTLI5WSHE35BI43XGOBE}

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	2026-05-18T03:07:21.804759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c279ba6b35a3b691c9be851cddcce0931a1550a5132c176d960692161e774c3

Aliases

arxiv: 1311.2821 · arxiv_version: 1311.2821v1 · doi: 10.48550/arxiv.1311.2821 · pith_short_12: HQTZXJVTLI5W · pith_short_16: HQTZXJVTLI5WSHE3 · pith_short_8: HQTZXJVT

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/HQTZXJVTLI5WSHE35BI43XGOBE \
  | 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: 3c279ba6b35a3b691c9be851cddcce0931a1550a5132c176d960692161e774c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c48b0b5a8b8fdcd10237e1705132f923d16b0c5e16cf45b4a2af51b0bbbae7a1",
    "cross_cats_sorted": [
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2013-11-12T16:02:12Z",
    "title_canon_sha256": "1c390f34cae1f4a29c69b591a94877e8df3dd59d4850f055d472469b24274540"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2821",
    "kind": "arxiv",
    "version": 1
  }
}