Pith Number

pith:VJMUI6FK

pith:2014:VJMUI6FKDYNODQ4IIDA5JPGCLE

not attested not anchored not stored refs pending

A distributed block coordinate descent method for training $l_1$ regularized linear classifiers

Dhruv Mahajan, S. Sathiya Keerthi, S. Sundararajan

arxiv:1405.4544 v2 · 2014-05-18 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VJMUI6FKDYNODQ4IIDA5JPGCLE}

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	2026-05-18T00:56:59.221943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa594478aa1e1ae1c38840c1d4bcc259217f6d57d8eac302865b9cba58610b1f

Aliases

arxiv: 1405.4544 · arxiv_version: 1405.4544v2 · doi: 10.48550/arxiv.1405.4544 · pith_short_12: VJMUI6FKDYNO · pith_short_16: VJMUI6FKDYNODQ4I · pith_short_8: VJMUI6FK

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/VJMUI6FKDYNODQ4IIDA5JPGCLE \
  | 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: aa594478aa1e1ae1c38840c1d4bcc259217f6d57d8eac302865b9cba58610b1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43033d37fede42275ff0920d3617fc7f9fe11403037e079dc488fbbc287c4529",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-05-18T20:07:41Z",
    "title_canon_sha256": "20f6d273878bd82139419b8fee94b1915170e84ffba28acdef9939f24259cf47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.4544",
    "kind": "arxiv",
    "version": 2
  }
}