Pith Number

pith:HD2NTBSL

pith:2010:HD2NTBSLC2HFA3PMMW3Z7WRXPY

not attested not anchored not stored refs pending

Exact block-wise optimization in group lasso and sparse group lasso for linear regression

Mathias Drton, Rina Foygel

arxiv:1010.3320 v2 · 2010-10-16 · 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{HD2NTBSLC2HFA3PMMW3Z7WRXPY}

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.

Cited by

1 paper in Pith

Nonlinear Causal Discovery for Grouped Data

Receipt and verification

First computed	2026-05-18T04:36:10.208893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38f4d9864b168e506dec65b79fda377e35c4c92f4e8400824b6284b0a10c23ef

Aliases

arxiv: 1010.3320 · arxiv_version: 1010.3320v2 · doi: 10.48550/arxiv.1010.3320 · pith_short_12: HD2NTBSLC2HF · pith_short_16: HD2NTBSLC2HFA3PM · pith_short_8: HD2NTBSL

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/HD2NTBSLC2HFA3PMMW3Z7WRXPY \
  | 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: 38f4d9864b168e506dec65b79fda377e35c4c92f4e8400824b6284b0a10c23ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30557536e19a7147eeb4f65972b2fafee3230c48e83bb705f70db0ab85e49c3f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2010-10-16T05:15:50Z",
    "title_canon_sha256": "faf6a462550420a6510356c92bc5c3ae356f26c18c69bf2f2c9e943cd10f1999"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.3320",
    "kind": "arxiv",
    "version": 2
  }
}