Pith Number

pith:CCVNZH25

pith:2009:CCVNZH25A7ZCM46LL7QJH7BJ22

not attested not anchored not stored refs pending

A higher category approach to twisted actions on C*-algebras

Alcides Buss, Chenchang Zhu, Ralf Meyer

arxiv:0908.0455 v1 · 2009-08-04 · 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{CCVNZH25A7ZCM46LL7QJH7BJ22}

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	2026-05-18T01:29:32.355964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10aadc9f5d07f22673cb5fe093fc29d6b8fda7976613d51caa1666dbbbfa9387

Aliases

arxiv: 0908.0455 · arxiv_version: 0908.0455v1 · doi: 10.48550/arxiv.0908.0455 · pith_short_12: CCVNZH25A7ZC · pith_short_16: CCVNZH25A7ZCM46L · pith_short_8: CCVNZH25

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/CCVNZH25A7ZCM46LL7QJH7BJ22 \
  | 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: 10aadc9f5d07f22673cb5fe093fc29d6b8fda7976613d51caa1666dbbbfa9387

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4d6c8d8e10fae942a9241b900a95bbf786ead86f5e81cdcddb9270f043e2aa4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2009-08-04T14:40:13Z",
    "title_canon_sha256": "7bdf103a0b0fe5b4884e53016de6a175e16247119d97c8e74d30e2edabc953c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0455",
    "kind": "arxiv",
    "version": 1
  }
}