Pith Number

pith:EETMFW6P

pith:2011:EETMFW6PJXS5QK6FOEPCRQWR47

not attested not anchored not stored refs pending

Sparsity with sign-coherent groups of variables via the cooperative-Lasso

Camille Charbonnier, Julien Chiquet, Yves Grandvalet

arxiv:1103.2697 v3 · 2011-03-14 · stat.ME · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EETMFW6PJXS5QK6FOEPCRQWR47}

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	2026-05-18T02:22:19.383557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2126c2dbcf4de5d82bc5711e28c2d1e7e1a82f7ef458aff3766090c66471885f

Aliases

arxiv: 1103.2697 · arxiv_version: 1103.2697v3 · doi: 10.48550/arxiv.1103.2697 · pith_short_12: EETMFW6PJXS5 · pith_short_16: EETMFW6PJXS5QK6F · pith_short_8: EETMFW6P

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/EETMFW6PJXS5QK6FOEPCRQWR47 \
  | 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: 2126c2dbcf4de5d82bc5711e28c2d1e7e1a82f7ef458aff3766090c66471885f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f64a4a435954c4c08b34b7ce4db58f2d3998f531c2e8df55e081c97e80c965f0",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2011-03-14T15:54:20Z",
    "title_canon_sha256": "3cf7023728a9e715c82b14b7803a66712e9e413dd235d1f2445e08a4aab14609"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2697",
    "kind": "arxiv",
    "version": 3
  }
}