Pith Number

pith:L4QRWYZX

pith:2026:L4QRWYZXAFZFCHJT37SA4I6KED

not attested not anchored not stored refs pending

Strategic Feature Selection

Ahmed Alaa, Divya Shanmugam, Emma Pierson, Jivat Neet Kaur, Meena Jagadeesan, Michael I. Jordan, Nika Haghtalab, Pratik Patil, Serena Wang

arxiv:2606.18867 v1 · 2026-06-17 · cs.LG · cs.CY · 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{L4QRWYZXAFZFCHJT37SA4I6KED}

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	2026-06-19T16:11:50.198635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f211b63370172511d33dfe40e23ca20f7a781e6914848ee3c018cb616db9d2a

Aliases

arxiv: 2606.18867 · arxiv_version: 2606.18867v1 · doi: 10.48550/arxiv.2606.18867 · pith_short_12: L4QRWYZXAFZF · pith_short_16: L4QRWYZXAFZFCHJT · pith_short_8: L4QRWYZX

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/L4QRWYZXAFZFCHJT37SA4I6KED \
  | 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: 5f211b63370172511d33dfe40e23ca20f7a781e6914848ee3c018cb616db9d2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74549bd8424c50f66caf3e65526e1eb0f35d3b1562916a8c4d3c6eb3a164fc98",
    "cross_cats_sorted": [
      "cs.CY",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-17T09:47:15Z",
    "title_canon_sha256": "64c3b91e45108867a44f6fe223a485d6793762db04856fcf1d640b0af053e272"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.18867",
    "kind": "arxiv",
    "version": 1
  }
}