Pith Number

pith:HA4CE2TY

pith:2020:HA4CE2TYBBT2FJJCD33WJ4S723

not attested not anchored not stored refs pending

Differentiable Unsupervised Feature Selection based on a Gated Laplacian

Erez Peterfreund, Jonathan Svirsky, Ofir Lindenbaum, Uri Shaham, Yuval Kluger

arxiv:2007.04728 v3 · 2020-07-09 · cs.LG · 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{HA4CE2TYBBT2FJJCD33WJ4S723}

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	2026-07-05T01:49:53.132019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3838226a780867a2a5221ef764f25fd6c3406f64d1f690129eaee4c05f8ec01f

Aliases

arxiv: 2007.04728 · arxiv_version: 2007.04728v3 · doi: 10.48550/arxiv.2007.04728 · pith_short_12: HA4CE2TYBBT2 · pith_short_16: HA4CE2TYBBT2FJJC · pith_short_8: HA4CE2TY

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/HA4CE2TYBBT2FJJCD33WJ4S723 \
  | 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: 3838226a780867a2a5221ef764f25fd6c3406f64d1f690129eaee4c05f8ec01f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42fa14a41f31a12fb97707586ffe4735da12096d3b6b682fe928d3cd966d0186",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-07-09T11:58:16Z",
    "title_canon_sha256": "10a9285cd46f860b4475f552af444a291107bb4e56a08928dbe1402e79da1eb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.04728",
    "kind": "arxiv",
    "version": 3
  }
}