Pith Number

pith:R6FRO5XJ

pith:2013:R6FRO5XJORKGCYZULGZCMM2OVI

not attested not anchored not stored refs pending

The isomorphism relation for separable C*-algebras

Andrew S. Toms, Asger T\"ornquist, Christian Rosendal, George A. Elliott, Ilijas Farah, Vern Paulsen

arxiv:1301.7108 v1 · 2013-01-30 · 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{R6FRO5XJORKGCYZULGZCMM2OVI}

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	2026-05-18T03:35:01.273089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f8b1776e9745461633459b226334eaa238c1c8840b66ccb166d1b375c59ce82

Aliases

arxiv: 1301.7108 · arxiv_version: 1301.7108v1 · doi: 10.48550/arxiv.1301.7108 · pith_short_12: R6FRO5XJORKG · pith_short_16: R6FRO5XJORKGCYZU · pith_short_8: R6FRO5XJ

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/R6FRO5XJORKGCYZULGZCMM2OVI \
  | 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: 8f8b1776e9745461633459b226334eaa238c1c8840b66ccb166d1b375c59ce82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13baf64278b55b403ec5319070bc4fbec6ff3d9056347679a8a9e6d002bbb951",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2013-01-30T00:06:19Z",
    "title_canon_sha256": "51ceca8a1009dc0f927dd1c169a93bbf0d37051df0601aa5fd0a80f166ae583d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.7108",
    "kind": "arxiv",
    "version": 1
  }
}