Pith Number

pith:5OUJDM63

pith:2014:5OUJDM63ZVPERBV7A7C3ZBHMHO

not attested not anchored not stored refs pending

Spectral triples and finite summability on Cuntz-Krieger algebras

Bram Mesland, Magnus Goffeng

arxiv:1401.2123 v3 · 2014-01-09 · math.KT · math.FA · math.OA · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5OUJDM63ZVPERBV7A7C3ZBHMHO}

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	2026-05-18T02:26:02.838633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eba891b3dbcd5e4886bf07c5bc84ec3b820373abbf3e7ddd1d8608c48b84eecd

Aliases

arxiv: 1401.2123 · arxiv_version: 1401.2123v3 · doi: 10.48550/arxiv.1401.2123 · pith_short_12: 5OUJDM63ZVPE · pith_short_16: 5OUJDM63ZVPERBV7 · pith_short_8: 5OUJDM63

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/5OUJDM63ZVPERBV7A7C3ZBHMHO \
  | 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: eba891b3dbcd5e4886bf07c5bc84ec3b820373abbf3e7ddd1d8608c48b84eecd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73474f14ca82ef921675d78f52190b8864597c1ce419af5d85f1cdac5032e3e0",
    "cross_cats_sorted": [
      "math.FA",
      "math.OA",
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2014-01-09T19:16:07Z",
    "title_canon_sha256": "e81f7c24e269f4ea613ab5d5180d57fd72002b69e1f40337b4b900307c5e24a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2123",
    "kind": "arxiv",
    "version": 3
  }
}