Pith Number

pith:Y3WAL5BW

pith:2019:Y3WAL5BWHPXGWZAOUDED7DWBKX

not attested not anchored not stored refs pending

Heavy-tailed kernels reveal a finer cluster structure in t-SNE visualisations

Dmitry Kobak, George Linderman, Philipp Berens, Stefan Steinerberger, Yuval Kluger

arxiv:1902.05804 v2 · 2019-02-15 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y3WAL5BWHPXGWZAOUDED7DWBKX}

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	2026-07-05T01:19:49.397576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6ec05f4363bee6b640ea0c83f8ec155fc16a7678364dfd7108646bc2ffa69f5

Aliases

arxiv: 1902.05804 · arxiv_version: 1902.05804v2 · doi: 10.48550/arxiv.1902.05804 · pith_short_12: Y3WAL5BWHPXG · pith_short_16: Y3WAL5BWHPXGWZAO · pith_short_8: Y3WAL5BW

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/Y3WAL5BWHPXGWZAOUDED7DWBKX \
  | 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: c6ec05f4363bee6b640ea0c83f8ec155fc16a7678364dfd7108646bc2ffa69f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f72431019a475a48a3425a058692a6dbc10ae64344ab47632cce850348d6fc37",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-02-15T13:29:33Z",
    "title_canon_sha256": "1aa6c8172652b0976df42a6103737e48b861f2ef28c131254f3107356628e3d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05804",
    "kind": "arxiv",
    "version": 2
  }
}