Pith Number

pith:FZ74JGCN

pith:2010:FZ74JGCN4TMTRTCJSH77KQMB35

not attested not anchored not stored refs pending

Pure infiniteness of the crossed product of an AH-algebra by an endomorphism

Klaus Thomsen

arxiv:1010.0960 v2 · 2010-10-05 · 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{FZ74JGCN4TMTRTCJSH77KQMB35}

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	2026-05-18T04:37:12.586013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e7fc4984de4d938cc4991fff54181df69a78d26c8cfd992ac2024a5898264e0

Aliases

arxiv: 1010.0960 · arxiv_version: 1010.0960v2 · doi: 10.48550/arxiv.1010.0960 · pith_short_12: FZ74JGCN4TMT · pith_short_16: FZ74JGCN4TMTRTCJ · pith_short_8: FZ74JGCN

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/FZ74JGCN4TMTRTCJSH77KQMB35 \
  | 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: 2e7fc4984de4d938cc4991fff54181df69a78d26c8cfd992ac2024a5898264e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb06a121bb17b3d80ac611d9af04ef40202904f5e0df2f4934b9372408af0934",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2010-10-05T18:03:00Z",
    "title_canon_sha256": "ef12d2a86599c999af14ea3068f3a2836fd0c24990b6fc5304f43d0b89437573"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.0960",
    "kind": "arxiv",
    "version": 2
  }
}