Pith Number

pith:HOUOTAFA

pith:2019:HOUOTAFAIOWHB7WZFMDTTYAR5M

not attested not anchored not stored refs pending

Quasi-regular representations of discrete groups and associated C*-algebras

Bachir Bekka, Mehrdad Kalantar

arxiv:1903.00202 v1 · 2019-03-01 · math.GR · 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{HOUOTAFAIOWHB7WZFMDTTYAR5M}

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	2026-05-17T23:52:20.551949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ba8e980a043ac70fed92b0739e011eb0df4b2ceda7e22e8710b7124b29a4205

Aliases

arxiv: 1903.00202 · arxiv_version: 1903.00202v1 · doi: 10.48550/arxiv.1903.00202 · pith_short_12: HOUOTAFAIOWH · pith_short_16: HOUOTAFAIOWHB7WZ · pith_short_8: HOUOTAFA

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/HOUOTAFAIOWHB7WZFMDTTYAR5M \
  | 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: 3ba8e980a043ac70fed92b0739e011eb0df4b2ceda7e22e8710b7124b29a4205

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5c9f3968551ca509976e3a36c6167c5f030cee6fc74e942a46cddeb958a8b26",
    "cross_cats_sorted": [
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2019-03-01T08:42:46Z",
    "title_canon_sha256": "9aa36c04b66a366e4ecce2adeca2bae9498598deac866f8f16653041c96da359"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.00202",
    "kind": "arxiv",
    "version": 1
  }
}