Pith Number

pith:DX5WNMVV

pith:2023:DX5WNMVVOEDIKL3W6F6FTJAK6A

not attested not anchored not stored refs pending

Penalising the biases in norm regularisation enforces sparsity

Etienne Boursier, Nicolas Flammarion

arxiv:2303.01353 v4 · 2023-03-02 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DX5WNMVVOEDIKL3W6F6FTJAK6A}

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	2026-07-05T10:45:49.141718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1dfb66b2b57106852f76f17c59a40af004a32150e64800eb0205725ca1011083

Aliases

arxiv: 2303.01353 · arxiv_version: 2303.01353v4 · doi: 10.48550/arxiv.2303.01353 · pith_short_12: DX5WNMVVOEDI · pith_short_16: DX5WNMVVOEDIKL3W · pith_short_8: DX5WNMVV

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/DX5WNMVVOEDIKL3W6F6FTJAK6A \
  | 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: 1dfb66b2b57106852f76f17c59a40af004a32150e64800eb0205725ca1011083

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c27e2f579c87649b5e903c965c06bc9c82fcf7bc704e336f06217b6bedf435d",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2023-03-02T15:33:18Z",
    "title_canon_sha256": "41f4857bb2c3b80355f918b1d3a26de96a7ae71a6bfabd29a8f3de75e853cbde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.01353",
    "kind": "arxiv",
    "version": 4
  }
}