Pith Number

pith:UXSJ4YSU

pith:2000:UXSJ4YSUTFPMSG7FJT5WKPVH37

not attested not anchored not stored refs pending

Top-down induction of clustering trees

Hendrik Blockeel, Jan Ramon, Luc De Raedt

arxiv:cs/0011032 v1 · 2000-11-21 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UXSJ4YSUTFPMSG7FJT5WKPVH37}

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	2026-07-04T14:24:06.040464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5e49e6254995ec91be54cfb653ea7dff1699f4676e03c6b901724227fe914a2

Aliases

arxiv: cs/0011032 · arxiv_version: cs/0011032v1 · doi: 10.48550/arxiv.cs/0011032 · pith_short_12: UXSJ4YSUTFPM · pith_short_16: UXSJ4YSUTFPMSG7F · pith_short_8: UXSJ4YSU

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/UXSJ4YSUTFPMSG7FJT5WKPVH37 \
  | 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: a5e49e6254995ec91be54cfb653ea7dff1699f4676e03c6b901724227fe914a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87bff655ffd90bbf258817ad4c2db08d14a65146398580e7fbc18ea8260f813e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.LG",
    "submitted_at": "2000-11-21T21:51:01Z",
    "title_canon_sha256": "afeb47f307c46f140f0334fc158e507318ce94cf76bd70a038ef62d70bdaaa08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0011032",
    "kind": "arxiv",
    "version": 1
  }
}