Pith Number

pith:TQMYAZYE

pith:2011:TQMYAZYE5WMXZLD23IZRB3E6BY

not attested not anchored not stored refs pending

Free Products of Generalized RFD C*-algebras

Don Hadwin

arxiv:1108.0049 v1 · 2011-07-30 · 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{TQMYAZYE5WMXZLD23IZRB3E6BY}

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	2026-05-18T04:16:31.779650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c19806704ed997cac7ada3310ec9e0e3f6eb293ebf461f0941073de50016af5

Aliases

arxiv: 1108.0049 · arxiv_version: 1108.0049v1 · doi: 10.48550/arxiv.1108.0049 · pith_short_12: TQMYAZYE5WMX · pith_short_16: TQMYAZYE5WMXZLD2 · pith_short_8: TQMYAZYE

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/TQMYAZYE5WMXZLD23IZRB3E6BY \
  | 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: 9c19806704ed997cac7ada3310ec9e0e3f6eb293ebf461f0941073de50016af5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77825e3ba8abaf0ed0ee8619b744a97cf775995185102485847f108f4c08ec91",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2011-07-30T07:36:40Z",
    "title_canon_sha256": "ec01800ee3b310331b9e24391cb95713179763eb226a758c6ff24cc9d8f1be56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.0049",
    "kind": "arxiv",
    "version": 1
  }
}