Pith Number

pith:GQF3DZ4V

pith:2013:GQF3DZ4VK3IGQHY6CVD4255QVS

not attested not anchored not stored refs pending

A simple C*-algebra with finite nuclear dimension which is not Z-stable

Aaron Tikuisis, Dan Hathaway, Ilijas Farah, Takeshi Katsura

arxiv:1301.5030 v1 · 2013-01-21 · math.OA · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GQF3DZ4VK3IGQHY6CVD4255QVS}

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	2026-05-18T01:23:12.759240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

340bb1e79556d0681f1e1547cd77b0aca5270a4c344f4bdc246c6e1104812676

Aliases

arxiv: 1301.5030 · arxiv_version: 1301.5030v1 · doi: 10.48550/arxiv.1301.5030 · pith_short_12: GQF3DZ4VK3IG · pith_short_16: GQF3DZ4VK3IGQHY6 · pith_short_8: GQF3DZ4V

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/GQF3DZ4VK3IGQHY6CVD4255QVS \
  | 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: 340bb1e79556d0681f1e1547cd77b0aca5270a4c344f4bdc246c6e1104812676

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3090f41459a9d2dd325cdf0be9f7811676477456e7dfd68dce91b0c77f43969",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2013-01-21T22:22:41Z",
    "title_canon_sha256": "7e96a066b79f8ee64ea3a57859d0db0464faf1db6002fb26fd94490efd23cdb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5030",
    "kind": "arxiv",
    "version": 1
  }
}