Pith Number

pith:PJOJYE7Z

pith:2026:PJOJYE7ZJSY26VVOECIQX3QELU

not attested not anchored not stored refs pending

Towards Truly Unsupervised Evaluation of Feature Selection

Arthur Zimek, Hafiz Saud Arshad, Muhammad Rajabinasab

arxiv:2608.12057 v1 · 2026-08-12 · 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{PJOJYE7ZJSY26VVOECIQX3QELU}

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	2026-08-13T01:29:22.185852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a5c9c13f94cb1af56ae20910bee045d14501fda1b47a3ea3a608adfd475c68b

Aliases

arxiv: 2608.12057 · arxiv_version: 2608.12057v1 · doi: 10.48550/arxiv.2608.12057 · pith_short_12: PJOJYE7ZJSY2 · pith_short_16: PJOJYE7ZJSY26VVO · pith_short_8: PJOJYE7Z

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/PJOJYE7ZJSY26VVOECIQX3QELU \
  | 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: 7a5c9c13f94cb1af56ae20910bee045d14501fda1b47a3ea3a608adfd475c68b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7a4f304ef503caf5c578e25531aed6a1fd1f4c258813cdf86417e1cba9f8a55",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-08-12T13:39:49Z",
    "title_canon_sha256": "f8bc736cc8c814b5ad1d8a66cb77e5c96be05a5a09856ea2d83f29e7536e996c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.12057",
    "kind": "arxiv",
    "version": 1
  }
}