Pith Number

pith:ADNRFPAT

pith:2013:ADNRFPATVJ6E3R7EWUQY7APWMU

not attested not anchored not stored refs pending

Convex vs nonconvex approaches for sparse estimation: GLasso, Multiple Kernel Learning and Hyperparameter GLasso

Aleksandr Y. Aravkin, Alessandro Chiuso, Gianluigi Pillonetto, James V. Burke

arxiv:1302.6434 v2 · 2013-02-26 · stat.ML · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ADNRFPATVJ6E3R7EWUQY7APWMU}

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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	2026-05-18T03:32:19.486950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00db12bc13aa7c4dc7e4b5218f81f665023a56ce0dc30c7fdfd9b95998d33c6d

Aliases

arxiv: 1302.6434 · arxiv_version: 1302.6434v2 · doi: 10.48550/arxiv.1302.6434 · pith_short_12: ADNRFPATVJ6E · pith_short_16: ADNRFPATVJ6E3R7E · pith_short_8: ADNRFPAT

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/ADNRFPATVJ6E3R7EWUQY7APWMU \
  | 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: 00db12bc13aa7c4dc7e4b5218f81f665023a56ce0dc30c7fdfd9b95998d33c6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8e9f71616ebd0c7604a15b8eec163e0d010ef3cdd7a7967381d890cbb466968",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2013-02-26T13:53:36Z",
    "title_canon_sha256": "62aca96800b5f354bf5a784f34fc02545c106a42dfb12a14ad75c72a2c9bca52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.6434",
    "kind": "arxiv",
    "version": 2
  }
}