Pith Number

pith:MSDZW2TI

pith:2014:MSDZW2TIG6TI5BAEJ7DDT7DDFK

not attested not anchored not stored refs pending

Efficient Regularized Regression for Variable Selection with L0 Penalty

Gang Li, Zhenqiu Liu

arxiv:1407.7508 v1 · 2014-07-28 · 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{MSDZW2TIG6TI5BAEJ7DDT7DDFK}

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	2026-05-18T02:46:23.023304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64879b6a6837a68e84044fc639fc632aaf3da2c8bb9032573b3e64ca475d540b

Aliases

arxiv: 1407.7508 · arxiv_version: 1407.7508v1 · doi: 10.48550/arxiv.1407.7508 · pith_short_12: MSDZW2TIG6TI · pith_short_16: MSDZW2TIG6TI5BAE · pith_short_8: MSDZW2TI

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/MSDZW2TIG6TI5BAEJ7DDT7DDFK \
  | 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: 64879b6a6837a68e84044fc639fc632aaf3da2c8bb9032573b3e64ca475d540b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bff75a75eb45016af1f5f165b162e63facfe7ad414af222aa212314401fecbdc",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-07-28T19:28:26Z",
    "title_canon_sha256": "d2565a9eacf866dc8c2091c91dff2a11b4ccaf7421e5926ae4d92d44d51ab383"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.7508",
    "kind": "arxiv",
    "version": 1
  }
}