Pith Number

pith:SVNCKRJO

pith:2019:SVNCKRJOABORMFZBOHFRBSA2YG

not attested not anchored not stored refs pending

Noncommutative Cartan C*-subalgebras

B. K. Kwasniewski, R. Meyer

arxiv:1908.07217 v2 · 2019-08-20 · 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{SVNCKRJOABORMFZBOHFRBSA2YG}

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	2026-07-05T01:48:25.011969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

955a25452e005d16172171cb10c81ac1b760b7372dde8b9f3497c8b84c3a1db5

Aliases

arxiv: 1908.07217 · arxiv_version: 1908.07217v2 · doi: 10.48550/arxiv.1908.07217 · pith_short_12: SVNCKRJOABOR · pith_short_16: SVNCKRJOABORMFZB · pith_short_8: SVNCKRJO

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/SVNCKRJOABORMFZBOHFRBSA2YG \
  | 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: 955a25452e005d16172171cb10c81ac1b760b7372dde8b9f3497c8b84c3a1db5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "080165d270f68bb4578afb723a5ddc753e300794bc2098650f0e7a378219909a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2019-08-20T08:33:18Z",
    "title_canon_sha256": "e06f13b17ae8204044e22996e8ab1749de1cb8f55d601b4a20be56329f984408"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07217",
    "kind": "arxiv",
    "version": 2
  }
}