Pith Number

pith:XA7KCQW2

pith:2018:XA7KCQW26WH3PM64NPN4ZA3LLE

not attested not anchored not stored refs pending

Preprocessor Selection for Machine Learning Pipelines

Brandon Schoenfeld, Christophe Giraud-Carrier, Jarom Christensen, Kevin Seppi, Mason Poggemann

arxiv:1810.09942 v1 · 2018-10-23 · 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{XA7KCQW26WH3PM64NPN4ZA3LLE}

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	2026-05-18T00:02:28.868553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b83ea142daf58fb7b3dc6bdbcc836b5912e493857d193a8a5c85b338fd7cc118

Aliases

arxiv: 1810.09942 · arxiv_version: 1810.09942v1 · doi: 10.48550/arxiv.1810.09942 · pith_short_12: XA7KCQW26WH3 · pith_short_16: XA7KCQW26WH3PM64 · pith_short_8: XA7KCQW2

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/XA7KCQW26WH3PM64NPN4ZA3LLE \
  | 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: b83ea142daf58fb7b3dc6bdbcc836b5912e493857d193a8a5c85b338fd7cc118

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5276bc71b13d73b54a74ed3dc8a54dccb86d6ec173bb5ef0a63113e0dbe89130",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-10-23T16:14:11Z",
    "title_canon_sha256": "f1c5778c2496ad4955d8f77ca3194e822f96927d58aa5381123da024c698508d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.09942",
    "kind": "arxiv",
    "version": 1
  }
}