Pith Number

pith:DJQS4POJ

pith:2012:DJQS4POJEVC27BCXBW57RTRJDI

not attested not anchored not stored refs pending

Scaling Up Coordinate Descent Algorithms for Large $\ell_1$ Regularization Problems

Ambuj Tewari (University of Texas), Chad Scherrer (Pacific Northwest National Lab), David Haglin (Pacific Northwest National Lab), Mahantesh Halappanavar (Pacific Northwest National Lab)

arxiv:1206.6409 v1 · 2012-06-27 · cs.LG · cs.DC · 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{DJQS4POJEVC27BCXBW57RTRJDI}

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	2026-05-18T03:51:57.938102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a612e3dc92545af84570dbbf8ce291a13d6d26766e808d0a37e12e2f551462c

Aliases

arxiv: 1206.6409 · arxiv_version: 1206.6409v1 · doi: 10.48550/arxiv.1206.6409 · pith_short_12: DJQS4POJEVC2 · pith_short_16: DJQS4POJEVC27BCX · pith_short_8: DJQS4POJ

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/DJQS4POJEVC27BCXBW57RTRJDI \
  | 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: 1a612e3dc92545af84570dbbf8ce291a13d6d26766e808d0a37e12e2f551462c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "812d9682cf58ce93fb2505267978bd9769e5ce9d859e6306d9216d2e06c48038",
    "cross_cats_sorted": [
      "cs.DC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-06-27T19:59:59Z",
    "title_canon_sha256": "ee701336970140bbe5a83ee361c02ca30bcb8ffefce7e53f0b0ea8fc6e3ea8d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.6409",
    "kind": "arxiv",
    "version": 1
  }
}