Pith Number

pith:HGVCYAID

pith:2013:HGVCYAIDQAPRWVUYV6FL6WHPCC

not attested not anchored not stored refs pending

Classification of certain continuous fields of Kirchberg algebras

Rasmus Bentmann

arxiv:1308.2126 v3 · 2013-08-09 · math.OA · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HGVCYAIDQAPRWVUYV6FL6WHPCC}

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	2026-05-18T02:59:30.358919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39aa2c0103801f1b5698af8abf58ef10acbd23aff0aa185866ba0226d47d048d

Aliases

arxiv: 1308.2126 · arxiv_version: 1308.2126v3 · doi: 10.48550/arxiv.1308.2126 · pith_short_12: HGVCYAIDQAPR · pith_short_16: HGVCYAIDQAPRWVUY · pith_short_8: HGVCYAID

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/HGVCYAIDQAPRWVUYV6FL6WHPCC \
  | 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: 39aa2c0103801f1b5698af8abf58ef10acbd23aff0aa185866ba0226d47d048d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b0a2767eb5529734b1fe279be81d925e4b46e2c76df60a9b406cf610656e290",
    "cross_cats_sorted": [
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2013-08-09T13:53:32Z",
    "title_canon_sha256": "f5704f7179856ecae990d0444ad91f0b0f1d03705ba7b26bde095e823d3ea99f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.2126",
    "kind": "arxiv",
    "version": 3
  }
}