Pith Number

pith:37ZX5EVB

pith:2011:37ZX5EVBFRG526CM2W7J2VFZ7B

not attested not anchored not stored refs pending

Simple Cuntz-Pimsner rings

Eduard Ortega, Enrique Pardo, Toke Meier Carlsen

arxiv:1110.6923 v1 · 2011-10-31 · math.RA · 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{37ZX5EVBFRG526CM2W7J2VFZ7B}

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	2026-05-18T02:40:45.974791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dff37e92a12c4ddd784cd5be9d54b9f85aba9b8e4e2f30b0025f5ae2a04e9095

Aliases

arxiv: 1110.6923 · arxiv_version: 1110.6923v1 · doi: 10.48550/arxiv.1110.6923 · pith_short_12: 37ZX5EVBFRG5 · pith_short_16: 37ZX5EVBFRG526CM · pith_short_8: 37ZX5EVB

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/37ZX5EVBFRG526CM2W7J2VFZ7B \
  | 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: dff37e92a12c4ddd784cd5be9d54b9f85aba9b8e4e2f30b0025f5ae2a04e9095

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "535364c00deb5d224ac2fb50c52de8cb12eeafd595f3b0a82d37e21dbe15f784",
    "cross_cats_sorted": [
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2011-10-31T19:54:14Z",
    "title_canon_sha256": "4b5d3040ba5cd79ed9c07bf3cf55260368e681274a1772a5b31ff80196b51320"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.6923",
    "kind": "arxiv",
    "version": 1
  }
}