Pith Number

pith:3W2B7X4I

pith:2021:3W2B7X4IWUYUD6I6ZQNCLHODSC

not attested not anchored not stored refs pending

The MELODIC family for simultaneous binary logistic regression in a reduced space

Mark de Rooij, Patrick J. F. Groenen

arxiv:2102.08232 v2 · 2021-02-16 · stat.ME · stat.CO · 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{3W2B7X4IWUYUD6I6ZQNCLHODSC}

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	2026-07-05T07:43:49.179869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddb41fdf88b53141f91ecc1a259dc3909b8b5ebe85f78a7666962c5a0fc8853b

Aliases

arxiv: 2102.08232 · arxiv_version: 2102.08232v2 · doi: 10.48550/arxiv.2102.08232 · pith_short_12: 3W2B7X4IWUYU · pith_short_16: 3W2B7X4IWUYUD6I6 · pith_short_8: 3W2B7X4I

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/3W2B7X4IWUYUD6I6ZQNCLHODSC \
  | 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: ddb41fdf88b53141f91ecc1a259dc3909b8b5ebe85f78a7666962c5a0fc8853b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6789b4a941258b06987f9cfc029ca961010c8e3d935fed85190273de069aa84",
    "cross_cats_sorted": [
      "stat.CO",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2021-02-16T15:47:20Z",
    "title_canon_sha256": "eb2d559fb15f9e18d9fed24a80253cbc2ff143d6158c0ba42c561c0c26bc2463"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.08232",
    "kind": "arxiv",
    "version": 2
  }
}