Pith Number

pith:E6QECN67

pith:2011:E6QECN67MLA6TRTLKLGKKDWQ47

not attested not anchored not stored refs pending

Efficient algorithm to select tuning parameters in sparse regression modeling with regularization

Kei Hirose, Sadanori Konishi, Shohei Tateishi

arxiv:1109.2411 v3 · 2011-09-12 · stat.ME · stat.CO · 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{E6QECN67MLA6TRTLKLGKKDWQ47}

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	2026-05-18T04:05:16.428794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27a04137df62c1e9c66b52cca50ed0e7d425bac7408057ba23404186749261b8

Aliases

arxiv: 1109.2411 · arxiv_version: 1109.2411v3 · doi: 10.48550/arxiv.1109.2411 · pith_short_12: E6QECN67MLA6 · pith_short_16: E6QECN67MLA6TRTL · pith_short_8: E6QECN67

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/E6QECN67MLA6TRTLKLGKKDWQ47 \
  | 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: 27a04137df62c1e9c66b52cca50ed0e7d425bac7408057ba23404186749261b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af26c432b8699bd57acf5ee8d336245358361871be51b1ee035029dd63bad566",
    "cross_cats_sorted": [
      "stat.CO",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2011-09-12T09:33:12Z",
    "title_canon_sha256": "9be51c0925e795f91893d4406d4b20b521045dbaab713c2b29f1e4bd4ea78d96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2411",
    "kind": "arxiv",
    "version": 3
  }
}