Pith Number

pith:KZABV4GE

pith:2015:KZABV4GECQRLCZIT6FXTL27K4Q

not attested not anchored not stored refs pending

On exotic group C*-algebras

Matthew Wiersma, Zhong-Jin Ruan

arxiv:1505.00805 v2 · 2015-05-04 · math.OA · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KZABV4GECQRLCZIT6FXTL27K4Q}

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	2026-05-18T01:19:19.225417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56401af0c41422b16513f16f35ebeae438e22132f1f9af1004c8f79de0780059

Aliases

arxiv: 1505.00805 · arxiv_version: 1505.00805v2 · doi: 10.48550/arxiv.1505.00805 · pith_short_12: KZABV4GECQRL · pith_short_16: KZABV4GECQRLCZIT · pith_short_8: KZABV4GE

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/KZABV4GECQRLCZIT6FXTL27K4Q \
  | 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: 56401af0c41422b16513f16f35ebeae438e22132f1f9af1004c8f79de0780059

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1b0f767deb9a14aebd0a3eda2d6545e1050d0afe12494c7cb248d7f3a3126d2",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2015-05-04T20:38:56Z",
    "title_canon_sha256": "3eb4ee1c78c9311bbba1d84cfd12dfaef5c55bd7e102e9fa3a8d2e7bc569718f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.00805",
    "kind": "arxiv",
    "version": 2
  }
}