Pith Number

pith:YTUAPXHR

pith:2018:YTUAPXHRPOGWINM2SLWQW7CA26

not attested not anchored not stored refs pending

Simplicity of algebras associated to non-Hausdorff groupoids

Aidan Sims, Charles Starling, Enrique Pardo, Lisa Orloff Clark, Ruy Exel

arxiv:1806.04362 v2 · 2018-06-12 · 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{YTUAPXHRPOGWINM2SLWQW7CA26}

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	2026-05-17T23:46:04.129779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4e807dcf17b8d64359a92ed0b7c40d7bb40226e670a30c4843d93ee8b8f199b

Aliases

arxiv: 1806.04362 · arxiv_version: 1806.04362v2 · doi: 10.48550/arxiv.1806.04362 · pith_short_12: YTUAPXHRPOGW · pith_short_16: YTUAPXHRPOGWINM2 · pith_short_8: YTUAPXHR

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/YTUAPXHRPOGWINM2SLWQW7CA26 \
  | 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: c4e807dcf17b8d64359a92ed0b7c40d7bb40226e670a30c4843d93ee8b8f199b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca87d9759a1891f0b515273ad5018a7d62644a89a1ce038a5c56ac1cf834eae5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2018-06-12T07:12:15Z",
    "title_canon_sha256": "02b4139b9a5e9c328077b166a6ee4197dde0f662b02e167ca3e5d62cede95267"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.04362",
    "kind": "arxiv",
    "version": 2
  }
}