Pith Number

pith:UFZA5XMX

pith:2018:UFZA5XMXKALY3NOSHHEP4XQ2JY

not attested not anchored not stored refs pending

Effects of sampling skewness of the importance-weighted risk estimator on model selection

Marco Loog, Wouter M. Kouw

arxiv:1804.07344 v1 · 2018-04-19 · 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{UFZA5XMXKALY3NOSHHEP4XQ2JY}

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	2026-05-17T23:51:39.659124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1720edd9750178db5d239c8fe5e1a4e3227299f13ae19f2f8cec557cfbe2ef1

Aliases

arxiv: 1804.07344 · arxiv_version: 1804.07344v1 · doi: 10.48550/arxiv.1804.07344 · pith_short_12: UFZA5XMXKALY · pith_short_16: UFZA5XMXKALY3NOS · pith_short_8: UFZA5XMX

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/UFZA5XMXKALY3NOSHHEP4XQ2JY \
  | 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: a1720edd9750178db5d239c8fe5e1a4e3227299f13ae19f2f8cec557cfbe2ef1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48bb8659b4186c2ca0da0c6df34769f5025a1e0f9c672a4451235f12cd5d2dc6",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-04-19T19:23:06Z",
    "title_canon_sha256": "50ff77bd0c1e11980c42e38f9fd0b5604c837924ff2d532c0e776feb38e71bcd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07344",
    "kind": "arxiv",
    "version": 1
  }
}