Pith Number

pith:RRR3QJQL

pith:2020:RRR3QJQLZPZOZ7ZGMNR3NFPPBQ

not attested not anchored not stored refs pending

Ensemble- and Distance-Based Feature Ranking for Unsupervised Learning

Bla\v{z} \v{S}krlj, Dragi Kocev, Matej Petkovi\'c, Sa\v{s}o D\v{z}eroski

arxiv:2011.11679 v1 · 2020-11-23 · 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{RRR3QJQLZPZOZ7ZGMNR3NFPPBQ}

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	2026-07-05T01:54:03.892166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c63b8260bcbf2ecff266363b695ef0c2b158990279946762374f8d8a0a7e927

Aliases

arxiv: 2011.11679 · arxiv_version: 2011.11679v1 · doi: 10.48550/arxiv.2011.11679 · pith_short_12: RRR3QJQLZPZO · pith_short_16: RRR3QJQLZPZOZ7ZG · pith_short_8: RRR3QJQL

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/RRR3QJQLZPZOZ7ZGMNR3NFPPBQ \
  | 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: 8c63b8260bcbf2ecff266363b695ef0c2b158990279946762374f8d8a0a7e927

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15e7936c5d374330cbdffe20de27d4be0dda05e7d71c5d2a977ed701be162672",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-11-23T19:17:24Z",
    "title_canon_sha256": "33b7f7112c6bd195c5b9d48a8dc282378bd3508eaa46cf49f650dfb38be05c29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.11679",
    "kind": "arxiv",
    "version": 1
  }
}