Pith Number

pith:PZ6N3E3P

pith:2020:PZ6N3E3PYKIRQKR6RJ2EB3S5NM

not attested not anchored not stored refs pending

The Trimmed Lasso: Sparse Recovery Guarantees and Practical Optimization by the Generalized Soft-Min Penalty

Boaz Nadler, Ronen Basri, Tal Amir

arxiv:2005.09021 v3 · 2020-05-18 · 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{PZ6N3E3PYKIRQKR6RJ2EB3S5NM}

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	2026-07-05T02:50:19.423109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e7cdd936fc291182a3e8a7440ee5d6b39df1d4fbd6f09885c96689a4022ef0b

Aliases

arxiv: 2005.09021 · arxiv_version: 2005.09021v3 · doi: 10.48550/arxiv.2005.09021 · pith_short_12: PZ6N3E3PYKIR · pith_short_16: PZ6N3E3PYKIRQKR6 · pith_short_8: PZ6N3E3P

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/PZ6N3E3PYKIRQKR6RJ2EB3S5NM \
  | 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: 7e7cdd936fc291182a3e8a7440ee5d6b39df1d4fbd6f09885c96689a4022ef0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f91f3a6b5404a0c9daf99b5a4bf3685dd3e6ecbbea3ad73b245747e2b6f5c22e",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-05-18T18:43:06Z",
    "title_canon_sha256": "7326e616f70a7ed7e25014b035b60891d4084179d762e29acd6fdc4fc3bac0bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.09021",
    "kind": "arxiv",
    "version": 3
  }
}