Pith Number

pith:2AL4MZFB

pith:2011:2AL4MZFBON6TQ4L674EL6SU23A

not attested not anchored not stored refs pending

A non-commutative Amir-Cambern theorem for von Neumann algebras and nuclear $C^*$-algebras

Eric Ricard, Jean Roydor

arxiv:1108.1970 v2 · 2011-08-09 · 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{2AL4MZFBON6TQ4L674EL6SU23A}

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	2026-05-18T03:20:06.809308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d017c664a1737d38717eff08bf4a9ad81bef9901fe74cf94da95452484b09e6d

Aliases

arxiv: 1108.1970 · arxiv_version: 1108.1970v2 · doi: 10.48550/arxiv.1108.1970 · pith_short_12: 2AL4MZFBON6T · pith_short_16: 2AL4MZFBON6TQ4L6 · pith_short_8: 2AL4MZFB

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/2AL4MZFBON6TQ4L674EL6SU23A \
  | 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: d017c664a1737d38717eff08bf4a9ad81bef9901fe74cf94da95452484b09e6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d0d6fca75852e90726594ae0035c154d4326b5d82c0a2dce4ba1e932322a683",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2011-08-09T16:07:36Z",
    "title_canon_sha256": "cfe594f8741d412d5ed15977a770a44b79802ed219b2d5c165177d0be3112c4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.1970",
    "kind": "arxiv",
    "version": 2
  }
}