Pith Number

pith:RP3YB523

pith:2015:RP3YB5233FJAJUT2PYP7BA54AZ

not attested not anchored not stored refs pending

Supervised dimension reduction for ordinal predictors

Diego Tomassi, Liliana Forzani, Pamela Llop, Rodrigo Garc\'ia Arancibia

arxiv:1511.05491 v4 · 2015-11-17 · math.ST · stat.ME · stat.TH

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RP3YB5233FJAJUT2PYP7BA54AZ}

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	2026-05-18T00:33:02.587955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bf780f75bd95204d27a7e1ff083bc066edbee505908378ba7c134e39975c48f

Aliases

arxiv: 1511.05491 · arxiv_version: 1511.05491v4 · doi: 10.48550/arxiv.1511.05491 · pith_short_12: RP3YB5233FJA · pith_short_16: RP3YB5233FJAJUT2 · pith_short_8: RP3YB523

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/RP3YB5233FJAJUT2PYP7BA54AZ \
  | 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: 8bf780f75bd95204d27a7e1ff083bc066edbee505908378ba7c134e39975c48f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81447ea01b871d9dd8bdc07887edf39d9e58c94dc8965a3e686c92328fc68893",
    "cross_cats_sorted": [
      "stat.ME",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2015-11-17T17:58:44Z",
    "title_canon_sha256": "40659603773a986979c3f2e987f7521ad9e9bacab61eaf1a0390f21573f0c82f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.05491",
    "kind": "arxiv",
    "version": 4
  }
}