Pith Number

pith:N3GEPPLR

pith:2017:N3GEPPLRS6UNDD3PIVSNCE2HLG

not attested not anchored not stored refs pending

Hyperrigid subsets of Cuntz-Krieger algebras and the property of rigidity at zero

Guy Salomon

arxiv:1709.00554 v3 · 2017-09-02 · 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{N3GEPPLRS6UNDD3PIVSNCE2HLG}

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	2026-05-17T23:58:14.867862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ecc47bd7197a8d18f6f4564d11347599364ba8e81cfc51af9e76dd5a3449af8

Aliases

arxiv: 1709.00554 · arxiv_version: 1709.00554v3 · doi: 10.48550/arxiv.1709.00554 · pith_short_12: N3GEPPLRS6UN · pith_short_16: N3GEPPLRS6UNDD3P · pith_short_8: N3GEPPLR

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/N3GEPPLRS6UNDD3PIVSNCE2HLG \
  | 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: 6ecc47bd7197a8d18f6f4564d11347599364ba8e81cfc51af9e76dd5a3449af8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ee1300f17c13d03e735c4fa09c4379ac3ac1d3c9da8eb98ef180f0417dc3057",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2017-09-02T09:57:27Z",
    "title_canon_sha256": "e6a3eabc9291a62f25d0b42a5912d329fc24a5e508c00d8844e2cb36c31b54d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.00554",
    "kind": "arxiv",
    "version": 3
  }
}