Pith Number

pith:IJLGFUOT

pith:2014:IJLGFUOT6XS5MNF5K2NSSIATPQ

not attested not anchored not stored refs pending

Simplicity of twisted C*-algebras of higher-rank graphs and crossed products by quasifree actions

Aidan Sims, Alex Kumjian, David Pask

arxiv:1411.3860 v2 · 2014-11-14 · 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{IJLGFUOT6XS5MNF5K2NSSIATPQ}

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	2026-05-18T01:11:55.310482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

425662d1d3f5e5d634bd569b2920137c3c7eaade5ea2ac67ec5b924429966a02

Aliases

arxiv: 1411.3860 · arxiv_version: 1411.3860v2 · doi: 10.48550/arxiv.1411.3860 · pith_short_12: IJLGFUOT6XS5 · pith_short_16: IJLGFUOT6XS5MNF5 · pith_short_8: IJLGFUOT

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/IJLGFUOT6XS5MNF5K2NSSIATPQ \
  | 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: 425662d1d3f5e5d634bd569b2920137c3c7eaade5ea2ac67ec5b924429966a02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06b2bec7c5f2d867cc0f63af4246b29b35a90b745f242169db28aa235e19bcb9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2014-11-14T10:36:06Z",
    "title_canon_sha256": "95eec0cffb2d194cfeabe9e3dd6756718d5c22fc9031120d05ac6ed56ea1479f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.3860",
    "kind": "arxiv",
    "version": 2
  }
}