Pith Number

pith:UGL767BP

pith:2020:UGL767BPSTJV6U72DAVX5HWDME

not attested not anchored not stored refs pending

On the Estimation of Derivatives Using Plug-in Kernel Ridge Regression Estimators

Meng Li, Zejian Liu

arxiv:2006.01350 v4 · 2020-06-02 · stat.ML · cs.LG · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UGL767BPSTJV6U72DAVX5HWDME}

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	2026-07-05T06:44:45.509554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a197ff7c2f94d35f53fa182b7e9ec36105277c15fd64910c92ed88ac092f99a9

Aliases

arxiv: 2006.01350 · arxiv_version: 2006.01350v4 · doi: 10.48550/arxiv.2006.01350 · pith_short_12: UGL767BPSTJV · pith_short_16: UGL767BPSTJV6U72 · pith_short_8: UGL767BP

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/UGL767BPSTJV6U72DAVX5HWDME \
  | 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: a197ff7c2f94d35f53fa182b7e9ec36105277c15fd64910c92ed88ac092f99a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef82e8bef4fad34f796a72d97c5afe40e6c40240a8f849cec59c17dfbc6dac5f",
    "cross_cats_sorted": [
      "cs.LG",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2020-06-02T02:32:39Z",
    "title_canon_sha256": "1e5e20eefb0c12e63c24a88494814bd8a8472dca04979524e1013015dc4c3ab4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.01350",
    "kind": "arxiv",
    "version": 4
  }
}