Pith Number

pith:O4OTNWHH

pith:2009:O4OTNWHHKOXVOXN2OSMOBHK2B4

not attested not anchored not stored refs pending

Non-Hausdorff Symmetries of C*-algebras

Alcides Buss, Chenchang Zhu, Ralf Meyer

arxiv:0907.0339 v2 · 2009-07-02 · 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{O4OTNWHHKOXVOXN2OSMOBHK2B4}

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	2026-05-18T03:52:26.744413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

771d36d8e753af575dba7498e09d5a0f28070aa0a88b27806cff3603268324f7

Aliases

arxiv: 0907.0339 · arxiv_version: 0907.0339v2 · doi: 10.48550/arxiv.0907.0339 · pith_short_12: O4OTNWHHKOXV · pith_short_16: O4OTNWHHKOXVOXN2 · pith_short_8: O4OTNWHH

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/O4OTNWHHKOXVOXN2OSMOBHK2B4 \
  | 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: 771d36d8e753af575dba7498e09d5a0f28070aa0a88b27806cff3603268324f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eadfdfee96622e024e14d187e2d94f9781f6cb7d136de329239f9a0de04c8dae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2009-07-02T10:48:37Z",
    "title_canon_sha256": "2a800b735f5abf7b9406ad038721a66df7c7efda4e617863d294ea216980849d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0339",
    "kind": "arxiv",
    "version": 2
  }
}