Pith Number

pith:VH24WSMJ

pith:2019:VH24WSMJBJQWLRDWKHPVGSK3MM

not attested not anchored not stored refs pending

Outlier-robust estimation of a sparse linear model using $\ell_1$-penalized Huber's $M$-estimator

Arnak S. Dalalyan, Philip Thompson

arxiv:1904.06288 v3 · 2019-04-12 · math.ST · cs.LG · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VH24WSMJBJQWLRDWKHPVGSK3MM}

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	2026-07-05T00:20:13.998764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9f5cb49890a6165c47651df53495b632072d7e4df25a5275759791d1f98ef9e

Aliases

arxiv: 1904.06288 · arxiv_version: 1904.06288v3 · doi: 10.48550/arxiv.1904.06288 · pith_short_12: VH24WSMJBJQW · pith_short_16: VH24WSMJBJQWLRDW · pith_short_8: VH24WSMJ

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/VH24WSMJBJQWLRDWKHPVGSK3MM \
  | 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: a9f5cb49890a6165c47651df53495b632072d7e4df25a5275759791d1f98ef9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cc8b0c175807761dd5a02151c897629bfc6f40b9a1c17f233194d4622c57a48",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2019-04-12T15:52:04Z",
    "title_canon_sha256": "8fd3b09825a8c0e87ce12543abc5b64fc028d58123f6df559e7ce561c61738a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.06288",
    "kind": "arxiv",
    "version": 3
  }
}