Pith Number

pith:R455UFM2

pith:2026:R455UFM2EI5JSGCJKXBGXET46P

not attested not anchored not stored refs pending

LLM Sparsity Prior for Robust Feature Selection

Caleb Skinner, Meng Li, Yihan Guo

arxiv:2605.23102 v1 · 2026-05-21 · stat.ML · cs.LG · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R455UFM2EI5JSGCJKXBGXET46P}

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	2026-05-25T02:01:38.253939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f3bda159a223a99184955c26b927cf3c410dbbd197f4f35dfadd8e5091c4231

Aliases

arxiv: 2605.23102 · arxiv_version: 2605.23102v1 · doi: 10.48550/arxiv.2605.23102 · pith_short_12: R455UFM2EI5J · pith_short_16: R455UFM2EI5JSGCJ · pith_short_8: R455UFM2

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/R455UFM2EI5JSGCJKXBGXET46P \
  | 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: 8f3bda159a223a99184955c26b927cf3c410dbbd197f4f35dfadd8e5091c4231

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f8d94f72cb7ef19de7382f9aa596fa82b9bcb945e5e2db36dcf615b5ffd6f1c",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ME"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2026-05-21T23:34:04Z",
    "title_canon_sha256": "f2e35f7437ba4703926777b0654e7463b8f037a937cc5bccb09048295da548d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23102",
    "kind": "arxiv",
    "version": 1
  }
}