Pith Number

pith:NPGCBCQE

pith:2025:NPGCBCQEXERPRCVOE237Z6TBJU

not attested not anchored not stored refs pending

On Hausdorff covers for non-Hausdorff groupoids

Jeremy B. Hume, Julian Gonzales, Kevin Aguyar Brix, Xin Li

arxiv:2503.23203 v1 · 2025-03-29 · math.OA · math.DS · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NPGCBCQEXERPRCVOE237Z6TBJU}

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

3 papers in Pith

On the simplicity of Katsura algebras

A Baum-Connes assembly map for essential semigroup crossed products

Algebraic singular functions are not always dense in the ideal of $C^*$-singular functions

Receipt and verification

First computed	2026-07-05T10:41:32.206216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bcc208a04b922f88aae26b7fcfa614d2a533aa06cd828721c471924a6f5259a

Aliases

arxiv: 2503.23203 · arxiv_version: 2503.23203v1 · doi: 10.48550/arxiv.2503.23203 · pith_short_12: NPGCBCQEXERP · pith_short_16: NPGCBCQEXERPRCVO · pith_short_8: NPGCBCQE

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/NPGCBCQEXERPRCVOE237Z6TBJU \
  | 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: 6bcc208a04b922f88aae26b7fcfa614d2a533aa06cd828721c471924a6f5259a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b5440cbf5e6042f08fb6dbdf6f623afbc442698272b4aae7646c8d92ef426c7",
    "cross_cats_sorted": [
      "math.DS",
      "math.RA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2025-03-29T20:01:27Z",
    "title_canon_sha256": "5bf3711fdefc7a4e99de4adcf4f1799077fa87cc3ef14fc6eebb5d3c9af2768d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.23203",
    "kind": "arxiv",
    "version": 1
  }
}