Pith Number

pith:TOAZEW3U

pith:2016:TOAZEW3U7YPPXTIXF3W47G2LFI

not attested not anchored not stored refs pending

On Fast Convergence of Proximal Algorithms for SQRT-Lasso Optimization: Don't Worry About Its Nonsmooth Loss Function

Han Liu, Haoming Jiang, Jarvis Haupt, Mingyi Hong, Raman Arora, Tuo Zhao, Xingguo Li

arxiv:1605.07950 v6 · 2016-05-25 · cs.LG · 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{TOAZEW3U7YPPXTIXF3W47G2LFI}

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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	2026-05-17T23:48:41.099437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b81925b74fe1efbcd172eedcf9b4b2a15bba57b0526ccaa6afc657d0076989e

Aliases

arxiv: 1605.07950 · arxiv_version: 1605.07950v6 · doi: 10.48550/arxiv.1605.07950 · pith_short_12: TOAZEW3U7YPP · pith_short_16: TOAZEW3U7YPPXTIX · pith_short_8: TOAZEW3U

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/TOAZEW3U7YPPXTIXF3W47G2LFI \
  | 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: 9b81925b74fe1efbcd172eedcf9b4b2a15bba57b0526ccaa6afc657d0076989e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24c423946388b05d9c38165d2fb002be3d989b3a86836c78c07f25e63c0a0d0e",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-05-25T16:08:08Z",
    "title_canon_sha256": "cd49b7a6005015b11db2a6cf81919900a91132e818b33b2f0c95cfda301c2dc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.07950",
    "kind": "arxiv",
    "version": 6
  }
}