Pith Number

pith:NKOVNBGS

pith:2019:NKOVNBGSHOR2OLJFDZXPQOJJVR

not attested not anchored not stored refs pending

The Wilderness Area Data Set: Adapting the Covertype data set for unsupervised learning

Jakub Zgraja, Richard Hugh Moulton

arxiv:1901.11040 v1 · 2019-01-30 · 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{NKOVNBGSHOR2OLJFDZXPQOJJVR}

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	2026-05-17T23:55:02.779579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a9d5684d23ba3a72d251e6ef83929ac6c9c0b3c717734c9425f1a4a53721605

Aliases

arxiv: 1901.11040 · arxiv_version: 1901.11040v1 · doi: 10.48550/arxiv.1901.11040 · pith_short_12: NKOVNBGSHOR2 · pith_short_16: NKOVNBGSHOR2OLJF · pith_short_8: NKOVNBGS

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/NKOVNBGSHOR2OLJFDZXPQOJJVR \
  | 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: 6a9d5684d23ba3a72d251e6ef83929ac6c9c0b3c717734c9425f1a4a53721605

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30c79bdab1a36fd4676f79d1f62bd39b9be9b246e7e5e5857bc8e79eb93882f5",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-01-30T19:00:21Z",
    "title_canon_sha256": "0b1826286c7e91f340583514ad33bc88e314b346cd2c0123cb7a09b92c3dbb7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.11040",
    "kind": "arxiv",
    "version": 1
  }
}