Pith Number

pith:OLFXPTR5

pith:2013:OLFXPTR5Z47IEGD4XKNHVS72FO

not attested not anchored not stored refs pending

On Sparsity Inducing Regularization Methods for Machine Learning

Andreas Argyriou, Charles A. Micchelli, Luca Baldassarre, Massimiliano Pontil

arxiv:1303.6086 v1 · 2013-03-25 · cs.LG · 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{OLFXPTR5Z47IEGD4XKNHVS72FO}

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	2026-05-18T03:29:52.012945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72cb77ce3dcf3e82187cba9a7acbfa2ba3160e1a2be531e48c313308f754e2e6

Aliases

arxiv: 1303.6086 · arxiv_version: 1303.6086v1 · doi: 10.48550/arxiv.1303.6086 · pith_short_12: OLFXPTR5Z47I · pith_short_16: OLFXPTR5Z47IEGD4 · pith_short_8: OLFXPTR5

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/OLFXPTR5Z47IEGD4XKNHVS72FO \
  | 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: 72cb77ce3dcf3e82187cba9a7acbfa2ba3160e1a2be531e48c313308f754e2e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "207ad95a92eba43cdd351527a3b1bd47d9d307dd8fe4f9892010660ee2d4cf53",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-03-25T11:09:08Z",
    "title_canon_sha256": "de60394d71c1a76ab1c4ce7f437db1dc09717022adfb08cfc2060e1ae9cbba6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6086",
    "kind": "arxiv",
    "version": 1
  }
}