Pith Number

pith:34ZRV5OR

pith:2021:34ZRV5ORUJ5B6O6ONHXLM3LSPP

not attested not anchored not stored refs pending

The ideal intersection property for essential groupoid C*-algebras

Dan Ursu, Matthew Kennedy, Se-Jin Kim, Sven Raum, Xin Li

arxiv:2107.03980 v3 · 2021-07-08 · math.OA · math.DS · math.GR

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{34ZRV5ORUJ5B6O6ONHXLM3LSPP}

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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

Normal coactions extend to the C*-envelope

Uniqueness theorems for combinatorial C*-algebras

Receipt and verification

First computed	2026-07-05T09:02:07.919762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df331af5d1a27a1f3bce69eeb66d727bd4fc5bbd2bf4ac8de7247d99db99ff46

Aliases

arxiv: 2107.03980 · arxiv_version: 2107.03980v3 · doi: 10.48550/arxiv.2107.03980 · pith_short_12: 34ZRV5ORUJ5B · pith_short_16: 34ZRV5ORUJ5B6O6O · pith_short_8: 34ZRV5OR

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/34ZRV5ORUJ5B6O6ONHXLM3LSPP \
  | 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: df331af5d1a27a1f3bce69eeb66d727bd4fc5bbd2bf4ac8de7247d99db99ff46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "856d88e49c4423f17be12450da2c9a173473066964e53d0a4a09f6971ef6ef71",
    "cross_cats_sorted": [
      "math.DS",
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2021-07-08T17:17:35Z",
    "title_canon_sha256": "f1a733787cfa9783acd03dac07b2d238e9dfc3b17eebf4fdc104404f31202d59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.03980",
    "kind": "arxiv",
    "version": 3
  }
}