Pith Number

pith:T34C6GIH

pith:2012:T34C6GIHBIZZLMJOWUBL47JS7W

not attested not anchored not stored refs pending

The Degrees of Freedom of the Group Lasso

Charles Deledalle (CEREMADE), Charles Dossal (IMB), Gabriel Peyr\'e (CEREMADE), Jalal Fadili (GREYC), Samuel Vaiter (CEREMADE)

arxiv:1205.1481 v1 · 2012-05-07 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T34C6GIHBIZZLMJOWUBL47JS7W}

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	2026-05-18T03:56:10.063165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ef82f19070a3395b12eb502be7d32fd84c7ad09582f3cef2eceb0c160a0309e

Aliases

arxiv: 1205.1481 · arxiv_version: 1205.1481v1 · doi: 10.48550/arxiv.1205.1481 · pith_short_12: T34C6GIHBIZZ · pith_short_16: T34C6GIHBIZZLMJO · pith_short_8: T34C6GIH

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/T34C6GIHBIZZLMJOWUBL47JS7W \
  | 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: 9ef82f19070a3395b12eb502be7d32fd84c7ad09582f3cef2eceb0c160a0309e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb611544f739bf17b9160202ddc9f14485d19c713e0a930e889a75b38583aa61",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2012-05-07T18:54:26Z",
    "title_canon_sha256": "0260993db991c9a6b59f2d129d8729f8e5fc64c8785c40044123a54c3cf509f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.1481",
    "kind": "arxiv",
    "version": 1
  }
}