Pith Number

pith:CTX23BB3

pith:2019:CTX23BB327KVORJTXI7ZRLPWFC

not attested not anchored not stored refs pending

Importance of spatial predictor variable selection in machine learning applications -- Moving from data reproduction to spatial prediction

Christoph Reudenbach, Hanna Meyer, Stephan W\"ollauer, Thomas Nauss

arxiv:1908.07805 v1 · 2019-08-21 · stat.AP · 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{CTX23BB327KVORJTXI7ZRLPWFC}

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	2026-07-05T00:24:55.680560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14efad843bd7d5574533ba3f98adf6289a4b2bed1926403b20fa66ea390b2845

Aliases

arxiv: 1908.07805 · arxiv_version: 1908.07805v1 · doi: 10.48550/arxiv.1908.07805 · pith_short_12: CTX23BB327KV · pith_short_16: CTX23BB327KVORJT · pith_short_8: CTX23BB3

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/CTX23BB327KVORJTXI7ZRLPWFC \
  | 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: 14efad843bd7d5574533ba3f98adf6289a4b2bed1926403b20fa66ea390b2845

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "362dea569286c87d57e7f610cb1bd1ba3c63d603a915cda6360340233ddc9267",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2019-08-21T11:47:38Z",
    "title_canon_sha256": "291299fe086829fea177666f6c294f8c4e90930ff36f1ddbb054a1a817b2598e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07805",
    "kind": "arxiv",
    "version": 1
  }
}