Pith Number

pith:N4KXMPY6

pith:2015:N4KXMPY6QW624JSBM6P6CTRPSX

not attested not anchored not stored refs pending

Coordinate Descent Converges Faster with the Gauss-Southwell Rule Than Random Selection

Hoyt Koepke, Issam H. Laradji, Julie Nutini, Mark Schmidt, Michael Friedlander

arxiv:1506.00552 v2 · 2015-06-01 · math.OC · cs.LG · stat.CO · 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{N4KXMPY6QW624JSBM6P6CTRPSX}

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	2026-05-18T00:02:13.934906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f15763f1e85bdae2641679fe14e2f95e02461ec0d92a6dc894e4a0549c842ed

Aliases

arxiv: 1506.00552 · arxiv_version: 1506.00552v2 · doi: 10.48550/arxiv.1506.00552 · pith_short_12: N4KXMPY6QW62 · pith_short_16: N4KXMPY6QW624JSB · pith_short_8: N4KXMPY6

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/N4KXMPY6QW624JSBM6P6CTRPSX \
  | 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: 6f15763f1e85bdae2641679fe14e2f95e02461ec0d92a6dc894e4a0549c842ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93e7824c5da8ad0ffd8be823e9769e0e1c45c8cfa30e40f0b86f5d42774a5438",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.CO",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-06-01T16:04:37Z",
    "title_canon_sha256": "d7f5183855db8e9b17289522d32e7de6938b7314085b9dbbd60d250531f5a871"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.00552",
    "kind": "arxiv",
    "version": 2
  }
}