Pith Number

pith:NIZ2CENH

pith:2015:NIZ2CENHOXUPTACXV2CKD6ABUM

not attested not anchored not stored refs pending

Lass-0: sparse non-convex regression by local search

Artur Dubrawski, Daniel Neill, Maria De-Arteaga, William Herlands

arxiv:1511.04402 v2 · 2015-11-13 · 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{NIZ2CENHOXUPTACXV2CKD6ABUM}

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	2026-05-18T01:20:29.120533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a33a111a775e8f98057ae84a1f801a329e3bf1e2a92f094820fd63986341088

Aliases

arxiv: 1511.04402 · arxiv_version: 1511.04402v2 · doi: 10.48550/arxiv.1511.04402 · pith_short_12: NIZ2CENHOXUP · pith_short_16: NIZ2CENHOXUPTACX · pith_short_8: NIZ2CENH

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/NIZ2CENHOXUPTACXV2CKD6ABUM \
  | 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: 6a33a111a775e8f98057ae84a1f801a329e3bf1e2a92f094820fd63986341088

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b7802f98fd7f3bcbb27c59f9353e4702152f8ef6597f35b6bc0ab3c8eed6f27",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-11-13T19:07:50Z",
    "title_canon_sha256": "bfd085eab9b35a18f13eb380931af22e236a9cf0a7d1cea56229492e5e28e774"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.04402",
    "kind": "arxiv",
    "version": 2
  }
}