Pith Number

pith:3JXUK4XZ

pith:2012:3JXUK4XZS2AIYGQ3VJ55EXG5QT

not attested not anchored not stored refs pending

The Cuntz semigroup of continuous fields

Francesc Perera, Joan Bosa, Ramon Antoine

arxiv:1205.6608 v1 · 2012-05-30 · math.OA · math.KT · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3JXUK4XZS2AIYGQ3VJ55EXG5QT}

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	2026-05-18T03:54:38.428540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da6f4572f996808c1a1baa7bd25cdd84d27a4d2ed1dbd50cf701035709acceea

Aliases

arxiv: 1205.6608 · arxiv_version: 1205.6608v1 · doi: 10.48550/arxiv.1205.6608 · pith_short_12: 3JXUK4XZS2AI · pith_short_16: 3JXUK4XZS2AIYGQ3 · pith_short_8: 3JXUK4XZ

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/3JXUK4XZS2AIYGQ3VJ55EXG5QT \
  | 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: da6f4572f996808c1a1baa7bd25cdd84d27a4d2ed1dbd50cf701035709acceea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6735b1c04c132edbc5cce01f3ea7e29e5ad8516295646afad133281fd913148",
    "cross_cats_sorted": [
      "math.KT",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2012-05-30T09:48:16Z",
    "title_canon_sha256": "6bd530dd4dc1582c0392af702b9bd2855e07c9a0671d5321b1dfd07f24fd5487"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6608",
    "kind": "arxiv",
    "version": 1
  }
}