Pith Number

pith:YCSBN7WJ

pith:2025:YCSBN7WJHFEU6EBAQOSYA3HYPY

not attested not anchored not stored refs pending

Feature Selection and Junta Testing are Statistically Equivalent

Caleb Koch, Lorenzo Beretta, Nathaniel Harms

arxiv:2505.04604 v2 · 2025-05-07 · cs.LG · cs.CC · cs.DS · 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{YCSBN7WJHFEU6EBAQOSYA3HYPY}

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	2026-07-05T11:40:54.676607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0a416fec939494f102083a5806cf87e097604ff70dd47d9d6763dee951c5a11

Aliases

arxiv: 2505.04604 · arxiv_version: 2505.04604v2 · doi: 10.48550/arxiv.2505.04604 · pith_short_12: YCSBN7WJHFEU · pith_short_16: YCSBN7WJHFEU6EBA · pith_short_8: YCSBN7WJ

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/YCSBN7WJHFEU6EBAQOSYA3HYPY \
  | 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: c0a416fec939494f102083a5806cf87e097604ff70dd47d9d6763dee951c5a11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07e5c184d2415c921ff3d3fcaa18a82f2e2ec62d62c2557dceedf15e0b74dd7f",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DS",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-05-07T17:50:15Z",
    "title_canon_sha256": "615f0da9609e496a083df1a0473d252f9380a9105bb110e5818b679b0ef5c4c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.04604",
    "kind": "arxiv",
    "version": 2
  }
}