Pith Number

pith:CQ7BO3EE

pith:2011:CQ7BO3EESOCYWMMHR7U6DLPJEF

not attested not anchored not stored refs pending

Automorphisms of central extensions of type I von Neumann algebras

K. K. Kudaybergenov, R. T. Djumamuratov, S. Albeverio, Sh. A. Ayupov

arxiv:1104.4698 v1 · 2011-04-25 · 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{CQ7BO3EESOCYWMMHR7U6DLPJEF}

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	2026-05-18T04:23:33.605064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

143e176c8493858b31878fe9e1ade9215d8251aff1179bbe32243134404c4325

Aliases

arxiv: 1104.4698 · arxiv_version: 1104.4698v1 · doi: 10.48550/arxiv.1104.4698 · pith_short_12: CQ7BO3EESOCY · pith_short_16: CQ7BO3EESOCYWMMH · pith_short_8: CQ7BO3EE

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/CQ7BO3EESOCYWMMHR7U6DLPJEF \
  | 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: 143e176c8493858b31878fe9e1ade9215d8251aff1179bbe32243134404c4325

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2786e3a47b38cde57dc10aad11435ce947c33820b43b29f6d9f2f835543d47da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2011-04-25T08:56:47Z",
    "title_canon_sha256": "c178a7e0399046e2a5d5a8cac28d8ff625efce63b04279782754280b9efd525c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4698",
    "kind": "arxiv",
    "version": 1
  }
}