Pith Number

pith:3GGBGSDR

pith:2015:3GGBGSDRUMKUAZAPDEXXWXTLE7

not attested not anchored not stored refs pending

Shrinkage degree in $L_2$-re-scale boosting for regression

Lin Xu, Shaobo Lin, Yao Wang, Zongben Xu

arxiv:1505.04369 v1 · 2015-05-17 · 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{3GGBGSDRUMKUAZAPDEXXWXTLE7}

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	2026-05-18T02:07:25.574281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d98c134871a31540640f192f7b5e6b27e93a453d9e637e8a411ab3d879154b3a

Aliases

arxiv: 1505.04369 · arxiv_version: 1505.04369v1 · doi: 10.48550/arxiv.1505.04369 · pith_short_12: 3GGBGSDRUMKU · pith_short_16: 3GGBGSDRUMKUAZAP · pith_short_8: 3GGBGSDR

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/3GGBGSDRUMKUAZAPDEXXWXTLE7 \
  | 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: d98c134871a31540640f192f7b5e6b27e93a453d9e637e8a411ab3d879154b3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d46723367c7b7cd15e305b7edfb5c4c2e32153c290c841132371e9e0e1bf7a80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-05-17T08:09:43Z",
    "title_canon_sha256": "74b1ea79cc8bb92bbfe870a4cbbef8c89a7c3dc5b642a2e2f8d37021834f3f6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04369",
    "kind": "arxiv",
    "version": 1
  }
}