Pith Number

pith:MHCKXZ6Y

pith:2025:MHCKXZ6YYURK4KTZLRLZQUUHQZ

not attested not anchored not stored refs pending

Reciprocal Cuntz--Krieger algebras

Kengo Matsumoto, Taro Sogabe

arxiv:2502.18126 v1 · 2025-02-25 · 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{MHCKXZ6YYURK4KTZLRLZQUUHQZ}

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

1 paper in Pith

Ergodic automorphisms on Kirchberg algebras

Receipt and verification

First computed	2026-07-05T10:19:49.315086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61c4abe7d8c522ae2a795c57985287867330dafc3008af8dab037463e835b24c

Aliases

arxiv: 2502.18126 · arxiv_version: 2502.18126v1 · doi: 10.48550/arxiv.2502.18126 · pith_short_12: MHCKXZ6YYURK · pith_short_16: MHCKXZ6YYURK4KTZ · pith_short_8: MHCKXZ6Y

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/MHCKXZ6YYURK4KTZLRLZQUUHQZ \
  | 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: 61c4abe7d8c522ae2a795c57985287867330dafc3008af8dab037463e835b24c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbfa804cc960a9fca77ddfd5867260c33aa0972177dbc1946b18d12cf5c3373a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2025-02-25T11:48:46Z",
    "title_canon_sha256": "42e5cc01b076ea1399e272dcce7bfa288b79180eed8a2c758924100f65d786ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.18126",
    "kind": "arxiv",
    "version": 1
  }
}