Pith Number

pith:EGRWPJNK

pith:2025:EGRWPJNK6HSXXHOBAPH6CTKMQ4

not attested not anchored not stored refs pending

Extensions of pure C*-algebras

Eduard Vilalta, Francesc Perera, Hannes Thiel

arxiv:2506.10529 v1 · 2025-06-12 · 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{EGRWPJNK6HSXXHOBAPH6CTKMQ4}

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.

Cited by

3 papers in Pith

Strict comparison for twisted group C*-algebras

Pureness and stable rank one for reduced twisted group $\mathrm{C}^\ast$-algebras of certain group extensions

Pureness of Certain Crossed Product C*-Algebras

Receipt and verification

First computed	2026-07-05T11:20:25.552788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21a367a5aaf1e57b9dc103cfe14d4c87050a2a40870b39f333eeeb9dd591e060

Aliases

arxiv: 2506.10529 · arxiv_version: 2506.10529v1 · doi: 10.48550/arxiv.2506.10529 · pith_short_12: EGRWPJNK6HSX · pith_short_16: EGRWPJNK6HSXXHOB · pith_short_8: EGRWPJNK

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/EGRWPJNK6HSXXHOBAPH6CTKMQ4 \
  | 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: 21a367a5aaf1e57b9dc103cfe14d4c87050a2a40870b39f333eeeb9dd591e060

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b964cc45e2098f0a6173e6099f8a2904513a4aa2db1d3d4f5f1d2f8f141156ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2025-06-12T09:49:44Z",
    "title_canon_sha256": "0b4bb7210568803d7ad773a4f1fe608096c19796211329b5b3fdd51247b4a2c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.10529",
    "kind": "arxiv",
    "version": 1
  }
}