Pith Number

pith:KIMTEWLZ

pith:2011:KIMTEWLZLEV75JO4WHI5COI4FB

not attested not anchored not stored refs pending

Filtrated K-theory for real rank zero C*-algebras

Efren Ruiz, Gunnar Restorff, Sara Arklint

arxiv:1112.1361 v1 · 2011-12-06 · 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{KIMTEWLZLEV75JO4WHI5COI4FB}

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	2026-05-18T03:45:41.774701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5219325979592bfea5dcb1d1d1391c28780c1b38682a03d2601c777f43429849

Aliases

arxiv: 1112.1361 · arxiv_version: 1112.1361v1 · doi: 10.48550/arxiv.1112.1361 · pith_short_12: KIMTEWLZLEV7 · pith_short_16: KIMTEWLZLEV75JO4 · pith_short_8: KIMTEWLZ

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/KIMTEWLZLEV75JO4WHI5COI4FB \
  | 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: 5219325979592bfea5dcb1d1d1391c28780c1b38682a03d2601c777f43429849

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7b71af99f50cefd23dd69e48f6dbcf80e068b7f18051bfd6a7b029fa60f5177",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2011-12-06T18:03:46Z",
    "title_canon_sha256": "6d80725eb3990ba4461f939be910e5a7d3136f0c951b7a45d2122e53d1f43909"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1361",
    "kind": "arxiv",
    "version": 1
  }
}