Pith Number

pith:EPZL74H2

pith:2026:EPZL74H2DUTSTEDBSYI2IRD237

not attested not anchored not stored refs pending

A dichotomy for inverse-semigroup crossed products via dynamical Cuntz semigroups

Astrid an Huef, Becky Armstrong, Diego Mart\'inez, Ilija Tolich, Lisa Orloff Clark

arxiv:2601.07100 v2 · 2026-01-11 · 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{EPZL74H2DUTSTEDBSYI2IRD237}

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.

Cited by

2 papers in Pith

A Baum-Connes assembly map for essential semigroup crossed products

An introduction to separated graphs and their type semigroups

Receipt and verification

First computed	2026-07-08T01:18:24.143024Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23f2bff0fa1d272990619611a4447adfe36cc74ab34aa1b9f94ee4310d2381ec

Aliases

arxiv: 2601.07100 · arxiv_version: 2601.07100v2 · doi: 10.48550/arxiv.2601.07100 · pith_short_12: EPZL74H2DUTS · pith_short_16: EPZL74H2DUTSTEDB · pith_short_8: EPZL74H2

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/EPZL74H2DUTSTEDBSYI2IRD237 \
  | 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: 23f2bff0fa1d272990619611a4447adfe36cc74ab34aa1b9f94ee4310d2381ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1ef29696828ee4c94ac9b5f9a93a53db2496c37369bacbbcec55c64cb999f7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2026-01-11T23:56:14Z",
    "title_canon_sha256": "37a01a2fbecdf98411b57eed9a23917a07cd057706f7caad8042a30ab39c0aca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.07100",
    "kind": "arxiv",
    "version": 2
  }
}