Pith Number

pith:B3YCUTGB

pith:2021:B3YCUTGB7KMOL77OVLCKDQJ74X

not attested not anchored not stored refs pending

Differentiable Feature Selection, a Reparameterization Approach

J\'er\'emie Dona (MLIA), Patrick Gallinari (MLIA)

arxiv:2107.10030 v1 · 2021-07-21 · cs.LG · cs.NE · 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{B3YCUTGB7KMOL77OVLCKDQJ74X}

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	2026-07-05T02:59:42.042417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ef02a4cc1fa98e5ffeeaac4a1c13fe5d3bc7e34b56bed9eb4bc87905b978de5

Aliases

arxiv: 2107.10030 · arxiv_version: 2107.10030v1 · doi: 10.48550/arxiv.2107.10030 · pith_short_12: B3YCUTGB7KMO · pith_short_16: B3YCUTGB7KMOL77O · pith_short_8: B3YCUTGB

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/B3YCUTGB7KMOL77OVLCKDQJ74X \
  | 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: 0ef02a4cc1fa98e5ffeeaac4a1c13fe5d3bc7e34b56bed9eb4bc87905b978de5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57a2559d935d5fc0de51782fec81c353698bc7a4ccd3bd54ab5270762e7adc26",
    "cross_cats_sorted": [
      "cs.NE",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-07-21T11:52:34Z",
    "title_canon_sha256": "9d694f179b1d19c08905e84cb21f98f907997d8ede96bb17ec2f4f20701e29e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.10030",
    "kind": "arxiv",
    "version": 1
  }
}