Pith Number

pith:VSZVKDFJ

pith:2009:VSZVKDFJYS346JEYPUNBEPLGAF

not attested not anchored not stored refs pending

The Corona Factorization property, Stability, and the Cuntz semigroup of a C*-algebra

Eduard Ortega, Francesc Perera, Mikael Rordam

arxiv:0903.2917 v4 · 2009-03-17 · 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{VSZVKDFJYS346JEYPUNBEPLGAF}

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	2026-05-18T03:35:52.184847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acb3550ca9c4b7cf24987d1a123d66015035073162127487e584e2028978501a

Aliases

arxiv: 0903.2917 · arxiv_version: 0903.2917v4 · doi: 10.48550/arxiv.0903.2917 · pith_short_12: VSZVKDFJYS34 · pith_short_16: VSZVKDFJYS346JEY · pith_short_8: VSZVKDFJ

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/VSZVKDFJYS346JEYPUNBEPLGAF \
  | 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: acb3550ca9c4b7cf24987d1a123d66015035073162127487e584e2028978501a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa4478e64d47265bc53bea3f5a89e67b67711d28713364a41ca7a5ec7cdf9eea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2009-03-17T07:44:56Z",
    "title_canon_sha256": "7f1911041e09798fdb273f4b891cf603b47b57a47aba0fbd01ac9ab68fc70600"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.2917",
    "kind": "arxiv",
    "version": 4
  }
}