Pith Number

pith:XLTZSQXK

pith:2021:XLTZSQXKRU7I6BJGLES7FFTXHB

not attested not anchored not stored refs pending

Penalized Optimal Scaling for Ordinal Variables with an Application to International Classification of Functioning Core Sets

Aisouda Hoshiyar, Henk A.L. Kiers, Jan Gertheiss

arxiv:2110.02805 v3 · 2021-10-06 · stat.AP · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XLTZSQXKRU7I6BJGLES7FFTXHB}

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	2026-07-05T05:33:06.459481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bae79942ea8d3e8f05265925f29677387e23878594249dfb96c93bf4b5a49d46

Aliases

arxiv: 2110.02805 · arxiv_version: 2110.02805v3 · doi: 10.48550/arxiv.2110.02805 · pith_short_12: XLTZSQXKRU7I · pith_short_16: XLTZSQXKRU7I6BJG · pith_short_8: XLTZSQXK

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/XLTZSQXKRU7I6BJGLES7FFTXHB \
  | 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: bae79942ea8d3e8f05265925f29677387e23878594249dfb96c93bf4b5a49d46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f379040aa759f3b9be55dde026330f119c0efe17ada72ba28e2d35005153f7b",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2021-10-06T14:25:50Z",
    "title_canon_sha256": "599a1d9754106f92f6562591cd2b337058f9dec61f055cc2b494d8c7b29d03a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.02805",
    "kind": "arxiv",
    "version": 3
  }
}