Pith Number

pith:VF4GRIQI

pith:2013:VF4GRIQIZMBDNWESOWIGR5XOGI

not attested not anchored not stored refs pending

Parallel Coordinate Descent Newton Method for Efficient $\ell_1$-Regularized Minimization

An Bian, Ming-Hsuan Yang, Xiong Li, Yuncai Liu

arxiv:1306.4080 v4 · 2013-06-18 · cs.LG · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VF4GRIQIZMBDNWESOWIGR5XOGI}

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	2026-05-18T00:28:38.393332Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a97868a208cb0236d892759068f6ee3202a12e1937027ad8071aee08fbfb01f3

Aliases

arxiv: 1306.4080 · arxiv_version: 1306.4080v4 · doi: 10.48550/arxiv.1306.4080 · pith_short_12: VF4GRIQIZMBD · pith_short_16: VF4GRIQIZMBDNWES · pith_short_8: VF4GRIQI

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/VF4GRIQIZMBDNWESOWIGR5XOGI \
  | 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: a97868a208cb0236d892759068f6ee3202a12e1937027ad8071aee08fbfb01f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "571421d1e1753c44a394547ab04babd5c657b37063c28c3e3b03ca2787786cda",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-06-18T07:03:16Z",
    "title_canon_sha256": "96dfb6ea95ed7f78baa599d619466b58358a0e38ba68f96646b2db8b55745f15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4080",
    "kind": "arxiv",
    "version": 4
  }
}