Pith Number

pith:XOJKZATW

pith:2015:XOJKZATW53V2IY73MEXGNAXIWB

not attested not anchored not stored refs pending

Regularization vs. Relaxation: A conic optimization perspective of statistical variable selection

Hongbo Dong, Jeff Linderoth, Kun Chen

arxiv:1510.06083 v1 · 2015-10-20 · cs.LG · math.NA · math.OC · 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{XOJKZATW53V2IY73MEXGNAXIWB}

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	2026-05-18T01:19:05.650265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb92ac8276eeeba463fb612e6682e8b072b2e9460c67d83f540cfbf6470829ba

Aliases

arxiv: 1510.06083 · arxiv_version: 1510.06083v1 · doi: 10.48550/arxiv.1510.06083 · pith_short_12: XOJKZATW53V2 · pith_short_16: XOJKZATW53V2IY73 · pith_short_8: XOJKZATW

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/XOJKZATW53V2IY73MEXGNAXIWB \
  | 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: bb92ac8276eeeba463fb612e6682e8b072b2e9460c67d83f540cfbf6470829ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a1e29cbc5c9bf23050fd0d88f2a2078e586d8dde6e0a95b375e874ac70c56dd",
    "cross_cats_sorted": [
      "math.NA",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-10-20T22:55:48Z",
    "title_canon_sha256": "9f355ff59be713b794b557209ec3136eecce72991003e0340bbfa13ea3e036d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.06083",
    "kind": "arxiv",
    "version": 1
  }
}