Pith Number

pith:ENNG2SUG

pith:2008:ENNG2SUGISZBXKNNVVENC4JSKI

not attested not anchored not stored refs pending

$C^*$-algebras associated with algebraic correspondences on the Riemann sphere

Tsuyoshi Kajiwara, Yasuo Watatani

arxiv:0806.3546 v1 · 2008-06-22 · math.OA · math.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ENNG2SUGISZBXKNNVVENC4JSKI}

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	2026-07-04T15:12:22.881709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

235a6d4a8644b21ba9adad48d1713252195019187a330e3efd06f55a1e635d4a

Aliases

arxiv: 0806.3546 · arxiv_version: 0806.3546v1 · doi: 10.48550/arxiv.0806.3546 · pith_short_12: ENNG2SUGISZB · pith_short_16: ENNG2SUGISZBXKNN · pith_short_8: ENNG2SUG

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/ENNG2SUGISZBXKNNVVENC4JSKI \
  | 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: 235a6d4a8644b21ba9adad48d1713252195019187a330e3efd06f55a1e635d4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb320beaca95fc1c7d8a550503d473c22c2b791166902c1b2988ad851851b3b2",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2008-06-22T07:47:17Z",
    "title_canon_sha256": "1e3ff23bd0220f08df45f6c12cd5a6d046959d71527be6b3550816f3ae11e2de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.3546",
    "kind": "arxiv",
    "version": 1
  }
}