Pith Number

pith:QZGZXZBD

pith:2020:QZGZXZBD2I37AVODAZIQ4EJJUK

not attested not anchored not stored refs pending

Generalization Guarantees for Sparse Kernel Approximation with Entropic Optimal Features

Liang Ding, Rui Tuo, Shahin Shahrampour

arxiv:2002.04195 v1 · 2020-02-11 · 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{QZGZXZBD2I37AVODAZIQ4EJJUK}

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	2026-07-05T00:39:43.053174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

864d9be423d237f055c306510e1129a2bef6c81b1b0f1ef0a107177485cdd0ab

Aliases

arxiv: 2002.04195 · arxiv_version: 2002.04195v1 · doi: 10.48550/arxiv.2002.04195 · pith_short_12: QZGZXZBD2I37 · pith_short_16: QZGZXZBD2I37AVOD · pith_short_8: QZGZXZBD

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/QZGZXZBD2I37AVODAZIQ4EJJUK \
  | 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: 864d9be423d237f055c306510e1129a2bef6c81b1b0f1ef0a107177485cdd0ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c3e2ade777f2994333041ac7210c4fb066f50db03d732e57c8eced83d64fe3a",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-02-11T04:12:31Z",
    "title_canon_sha256": "8c30a0ab199714f87b153c2b7746dacfb88a1bce8ad420c33662477c6c814a26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.04195",
    "kind": "arxiv",
    "version": 1
  }
}