Pith Number

pith:LZ4WCCN3

pith:2012:LZ4WCCN3DOXHRCBC3J3BYNINXW

not attested not anchored not stored refs pending

An elementary approach to C*-algebras associated to topological graphs

Aidan Sims, David Pask, Hui Li

arxiv:1205.3264 v1 · 2012-05-15 · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LZ4WCCN3DOXHRCBC3J3BYNINXW}

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	2026-05-18T03:55:36.470772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e796109bb1bae788822da761c350dbd8b1afcce80d0494c3cb75c27388695d4

Aliases

arxiv: 1205.3264 · arxiv_version: 1205.3264v1 · doi: 10.48550/arxiv.1205.3264 · pith_short_12: LZ4WCCN3DOXH · pith_short_16: LZ4WCCN3DOXHRCBC · pith_short_8: LZ4WCCN3

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/LZ4WCCN3DOXHRCBC3J3BYNINXW \
  | 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: 5e796109bb1bae788822da761c350dbd8b1afcce80d0494c3cb75c27388695d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4f5bc9fcc57105d1a1e9c07c82cb48f887a1f5f45bd7ca03077c796240cf0cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2012-05-15T05:24:14Z",
    "title_canon_sha256": "4641eed5e58d988d6804568939bfcd1172ec9859169782991ec6d963de5e3e22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3264",
    "kind": "arxiv",
    "version": 1
  }
}