Pith Number

pith:XHCJJNKQ

pith:2016:XHCJJNKQFHKIHL6P3VPDLOCMLZ

not attested not anchored not stored refs pending

On Regularization Parameter Estimation under Covariate Shift

Marco Loog, Wouter M. Kouw

arxiv:1608.00250 v1 · 2016-07-31 · 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{XHCJJNKQFHKIHL6P3VPDLOCMLZ}

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	2026-05-18T00:18:00.570593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9c494b55029d483afcfdd5e35b84c5e6f99592d28b6547b0cbbda5a21846312

Aliases

arxiv: 1608.00250 · arxiv_version: 1608.00250v1 · doi: 10.48550/arxiv.1608.00250 · pith_short_12: XHCJJNKQFHKI · pith_short_16: XHCJJNKQFHKIHL6P · pith_short_8: XHCJJNKQ

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/XHCJJNKQFHKIHL6P3VPDLOCMLZ \
  | 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: b9c494b55029d483afcfdd5e35b84c5e6f99592d28b6547b0cbbda5a21846312

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0f4923cc54bf68d606df4f57ee7c1b1ad7e7a3db9e16baf2e8936dec8b35965",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-07-31T19:02:39Z",
    "title_canon_sha256": "9fb28d0dcdfcf0d1f52db1fc58af1de2e849b61a96c992c62ff166d8678da768"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.00250",
    "kind": "arxiv",
    "version": 1
  }
}