Pith Number

pith:4WI6HARZ

pith:2014:4WI6HARZO3EEAAOICYA7S6EB7Q

not attested not anchored not stored refs pending

Clustering via Mode Seeking by Direct Estimation of the Gradient of a Log-Density

Aapo Hyv\"arinen, Hiroaki Sasaki, Masashi Sugiyama

arxiv:1404.5028 v1 · 2014-04-20 · 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{4WI6HARZO3EEAAOICYA7S6EB7Q}

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	2026-05-18T02:53:52.148788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e591e3823976c84001c81601f97881fc3d5112628f30a86e597747a172a1f0bc

Aliases

arxiv: 1404.5028 · arxiv_version: 1404.5028v1 · doi: 10.48550/arxiv.1404.5028 · pith_short_12: 4WI6HARZO3EE · pith_short_16: 4WI6HARZO3EEAAOI · pith_short_8: 4WI6HARZ

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/4WI6HARZO3EEAAOICYA7S6EB7Q \
  | 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: e591e3823976c84001c81601f97881fc3d5112628f30a86e597747a172a1f0bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba50056ec96e957909eb36231ffdaaebf655340b60c6d9d59411d1f31a2baf9a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2014-04-20T08:43:44Z",
    "title_canon_sha256": "05d99d420ef5b957e38d1e0c69b688a73461399d7e67e13fb8153d5402c57b12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5028",
    "kind": "arxiv",
    "version": 1
  }
}