Pith Number

pith:NK7VTBQO

pith:2017:NK7VTBQO77DAUFEKJ3ILZLQKUH

not attested not anchored not stored refs pending

Traces on reduced group C*-algebras

Matthew Kennedy, Sven Raum

arxiv:1706.05903 v1 · 2017-06-19 · math.OA · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NK7VTBQO77DAUFEKJ3ILZLQKUH}

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	2026-05-18T00:33:10.164367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6abf59860effc60a148a4ed0bcae0aa1f1567be403796002df187e3517469f72

Aliases

arxiv: 1706.05903 · arxiv_version: 1706.05903v1 · doi: 10.48550/arxiv.1706.05903 · pith_short_12: NK7VTBQO77DA · pith_short_16: NK7VTBQO77DAUFEK · pith_short_8: NK7VTBQO

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/NK7VTBQO77DAUFEKJ3ILZLQKUH \
  | 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: 6abf59860effc60a148a4ed0bcae0aa1f1567be403796002df187e3517469f72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39cf864a72bbdc0b125d5b948042aa08851a2c81d97f6f59fc1b56714f217430",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2017-06-19T12:38:15Z",
    "title_canon_sha256": "732fd37cd9481bda1a39482faddc98f8a307c5b412108378facb42ce921a9014"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.05903",
    "kind": "arxiv",
    "version": 1
  }
}