Pith Number

pith:I7OJMTHM

pith:2012:I7OJMTHM4FVPRVX7VSV5XYJS6Z

not attested not anchored not stored refs pending

Singly generated operator algebras satisfying weakened versions of amenability

Yemon Choi

arxiv:1204.6343 v3 · 2012-02-06 · math.OA · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I7OJMTHM4FVPRVX7VSV5XYJS6Z}

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	2026-05-18T03:07:32.081517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47dc964cece16af8d6ffacabdbe132f66fed26617cee1ba9f45b0fe9f7e77839

Aliases

arxiv: 1204.6343 · arxiv_version: 1204.6343v3 · doi: 10.48550/arxiv.1204.6343 · pith_short_12: I7OJMTHM4FVP · pith_short_16: I7OJMTHM4FVPRVX7 · pith_short_8: I7OJMTHM

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/I7OJMTHM4FVPRVX7VSV5XYJS6Z \
  | 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: 47dc964cece16af8d6ffacabdbe132f66fed26617cee1ba9f45b0fe9f7e77839

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38b6b20f250da9a9919b09263fe6bd998d1fcb45217b78924c144c77fbd79e98",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2012-02-06T00:22:02Z",
    "title_canon_sha256": "15013e0e178a3776e5bb9470939f5f0646c60b086207f46f8a561b30d7bcf300"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.6343",
    "kind": "arxiv",
    "version": 3
  }
}