Pith Number

pith:FCCY7D3N

pith:2021:FCCY7D3NC3WNETCHCBWJ7VKXVT

not attested not anchored not stored refs pending

Exclusive Group Lasso for Structured Variable Selection

Carlos Buelga, David Gregoratti, Xavier Mestre

arxiv:2108.10284 v2 · 2021-08-23 · cs.LG · eess.SP · 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{FCCY7D3NC3WNETCHCBWJ7VKXVT}

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	2026-07-05T07:08:02.943133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28858f8f6d16ecd24c47106c9fd557acd345c8361af00477f79c9e4370758034

Aliases

arxiv: 2108.10284 · arxiv_version: 2108.10284v2 · doi: 10.48550/arxiv.2108.10284 · pith_short_12: FCCY7D3NC3WN · pith_short_16: FCCY7D3NC3WNETCH · pith_short_8: FCCY7D3N

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/FCCY7D3NC3WNETCHCBWJ7VKXVT \
  | 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: 28858f8f6d16ecd24c47106c9fd557acd345c8361af00477f79c9e4370758034

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fc04cf45c6bf947e8fdd56772aff5df1a508cd22237f07ce75547cd90b3b0e1",
    "cross_cats_sorted": [
      "eess.SP",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-08-23T16:55:13Z",
    "title_canon_sha256": "e61be006369ddf97a1c36646331c07b046a5d9f7d3cf7bde536bd26f85d85441"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.10284",
    "kind": "arxiv",
    "version": 2
  }
}