Pith Number

pith:6QNICWUH

pith:2011:6QNICWUH5XORAE47WNXFZJM4VD

not attested not anchored not stored refs pending

The tiling C*-algebra viewed as a tight inverse semigroup algebra

Charles Starling, Daniel Gon\c{c}alves, Ruy Exel

arxiv:1106.4535 v1 · 2011-06-22 · math.OA · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6QNICWUH5XORAE47WNXFZJM4VD}

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	2026-05-18T04:19:32.832196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f41a815a87eddd10139fb36e5ca59ca8ed1e31363dd868d696ed47c83cefd96d

Aliases

arxiv: 1106.4535 · arxiv_version: 1106.4535v1 · doi: 10.48550/arxiv.1106.4535 · pith_short_12: 6QNICWUH5XOR · pith_short_16: 6QNICWUH5XORAE47 · pith_short_8: 6QNICWUH

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/6QNICWUH5XORAE47WNXFZJM4VD \
  | 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: f41a815a87eddd10139fb36e5ca59ca8ed1e31363dd868d696ed47c83cefd96d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "769280bf8b74b2fcbc5baf1d3f527f50c433fbfee493bdf76302d0e003f6e836",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2011-06-22T19:23:39Z",
    "title_canon_sha256": "1aa7d3f68b289c310f64338514e1c9924d8fbcf3f159d21eec9bc912e4247b3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.4535",
    "kind": "arxiv",
    "version": 1
  }
}