Pith Number

pith:RXZKO3AL

pith:2018:RXZKO3ALVATOEOYAP734FTVTWL

not attested not anchored not stored refs pending

Embedding $\mathrm{C}^*$-algebras into the Calkin algebra

Andrea Vaccaro, Georgios Katsimpas, Ilijas Farah

arxiv:1810.00255 v3 · 2018-09-29 · math.LO · 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{RXZKO3ALVATOEOYAP734FTVTWL}

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	2026-05-17T23:52:52.087172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8df2a76c0ba826e23b007ff7c2ceb3b2e26c4f057de42b443520a3222b780eb9

Aliases

arxiv: 1810.00255 · arxiv_version: 1810.00255v3 · doi: 10.48550/arxiv.1810.00255 · pith_short_12: RXZKO3ALVATO · pith_short_16: RXZKO3ALVATOEOYA · pith_short_8: RXZKO3AL

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/RXZKO3ALVATOEOYAP734FTVTWL \
  | 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: 8df2a76c0ba826e23b007ff7c2ceb3b2e26c4f057de42b443520a3222b780eb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7aeba1261b31a9ec6588ec7e75a6fef779401cdb563576c2143757b9645feee7",
    "cross_cats_sorted": [
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-09-29T18:58:07Z",
    "title_canon_sha256": "71904064aa51de905ff07fa322ad8756d56d38b8ea953d701c736cf84584fb0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.00255",
    "kind": "arxiv",
    "version": 3
  }
}