Pith Number

pith:T3HFP2EY

pith:2019:T3HFP2EYOOSZM6KVUAHPT2D7MU

not attested not anchored not stored refs pending

Non-amenable tight squeezes by Kirchberg algebras

Yuhei Suzuki

arxiv:1908.02971 v3 · 2019-08-08 · math.OA · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T3HFP2EYOOSZM6KVUAHPT2D7MU}

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	2026-07-05T03:57:22.865268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ece57e89873a5967955a00ef9e87f650d55a6ed1339f8308ff72d44c4bb8db1

Aliases

arxiv: 1908.02971 · arxiv_version: 1908.02971v3 · doi: 10.48550/arxiv.1908.02971 · pith_short_12: T3HFP2EYOOSZ · pith_short_16: T3HFP2EYOOSZM6KV · pith_short_8: T3HFP2EY

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/T3HFP2EYOOSZM6KVUAHPT2D7MU \
  | 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: 9ece57e89873a5967955a00ef9e87f650d55a6ed1339f8308ff72d44c4bb8db1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e35eb517c54d444f0c6a6e016672134222771a6f0e6324d6027c9bb5747fe94f",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2019-08-08T08:22:49Z",
    "title_canon_sha256": "0248900cf02283e198c5fc1bda6724104d4b1f982c5278b472a6cd100e33dabc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02971",
    "kind": "arxiv",
    "version": 3
  }
}