Pith Number

pith:QJPFPBFH

pith:2018:QJPFPBFHC2U3JC3ZPQMBLPO7ZO

not attested not anchored not stored refs pending

Purely atomic representations of higher-rank graph C*-algebras

Carla Farsi, Elizabeth Gillaspy, Judith Packer, Palle Jorgensen, Sooran Kang

arxiv:1806.03570 v2 · 2018-06-10 · 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{QJPFPBFHC2U3JC3ZPQMBLPO7ZO}

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	2026-05-18T00:13:21.200214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

825e5784a716a9b48b797c1815bddfcbbe3504875bbe255c79550cdf4a06d4ae

Aliases

arxiv: 1806.03570 · arxiv_version: 1806.03570v2 · doi: 10.48550/arxiv.1806.03570 · pith_short_12: QJPFPBFHC2U3 · pith_short_16: QJPFPBFHC2U3JC3Z · pith_short_8: QJPFPBFH

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/QJPFPBFHC2U3JC3ZPQMBLPO7ZO \
  | 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: 825e5784a716a9b48b797c1815bddfcbbe3504875bbe255c79550cdf4a06d4ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08efc2ce958a0abdb9b6e166849c1f36d918535cac4cdcac8ad28374d2c11229",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2018-06-10T01:58:42Z",
    "title_canon_sha256": "7dc80eeaa386444b301102eea5af9bbaa39aa57667c0ccd2ffed1e3521184e03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.03570",
    "kind": "arxiv",
    "version": 2
  }
}