Pith Number

pith:UXKVEH3W

pith:2015:UXKVEH3WU6BIUHRSCQZMDB6WMJ

not attested not anchored not stored refs pending

HHCART: An Oblique Decision Tree

B. L. Robertson, C. J. Price, D. C. Wickramarachchi, J. Brown, M. Reale

arxiv:1504.03415 v1 · 2015-04-14 · 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{UXKVEH3WU6BIUHRSCQZMDB6WMJ}

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	2026-05-18T02:18:52.247558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5d5521f76a7828a1e321432c187d66262f03b09d699accf5692c9b92ee9da3a

Aliases

arxiv: 1504.03415 · arxiv_version: 1504.03415v1 · doi: 10.48550/arxiv.1504.03415 · pith_short_12: UXKVEH3WU6BI · pith_short_16: UXKVEH3WU6BIUHRS · pith_short_8: UXKVEH3W

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/UXKVEH3WU6BIUHRSCQZMDB6WMJ \
  | 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: a5d5521f76a7828a1e321432c187d66262f03b09d699accf5692c9b92ee9da3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcc9786e8b0d9909778943acb5ef37396c3a6e965023385b3543bbcf376249d3",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-04-14T04:04:00Z",
    "title_canon_sha256": "8139e9ecb8fffe0abc8fbaab0eced805510542c1d3d6bf495b15fcbc9a05f1e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03415",
    "kind": "arxiv",
    "version": 1
  }
}