Pith Number

pith:EMH4OZEO

pith:2005:EMH4OZEOJOEHBOHTARCYXJBOZE

not attested not anchored not stored refs pending

A property (T) for C*-algebras

Bachir Bekka

arxiv:math/0505189 v1 · 2005-05-10 · 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{EMH4OZEOJOEHBOHTARCYXJBOZE}

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	2026-05-18T02:27:59.030359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

230fc7648e4b8870b8f304458ba42ec9341244d828f203cb2057be2420d9c66c

Aliases

arxiv: math/0505189 · arxiv_version: math/0505189v1 · doi: 10.48550/arxiv.math/0505189 · pith_short_12: EMH4OZEOJOEH · pith_short_16: EMH4OZEOJOEHBOHT · pith_short_8: EMH4OZEO

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/EMH4OZEOJOEHBOHTARCYXJBOZE \
  | 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: 230fc7648e4b8870b8f304458ba42ec9341244d828f203cb2057be2420d9c66c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "837cee0f1b5191239b5e35dd874fb32703c7e9953b1bf7e6f4612caf77eb28a2",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "",
    "primary_cat": "math.OA",
    "submitted_at": "2005-05-10T17:35:10Z",
    "title_canon_sha256": "207ade6879a4df32052eb649a6228502403447e008682a935ba47264c0800d14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0505189",
    "kind": "arxiv",
    "version": 1
  }
}