Pith Number

pith:DX25MI4X

pith:2026:DX25MI4XB3ZXM5VCUMXSS2RD5Z

not attested not anchored not stored refs pending

Smooth Reduced Rank Regression with P-splines

Mark de Rooij

arxiv:2607.05096 v1 · 2026-07-06 · 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{DX25MI4XB3ZXM5VCUMXSS2RD5Z}

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	2026-07-07T03:19:15.912211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1df5d623970ef37676a2a32f296a23ee7adbc64a350ab7c5b496c409e6815a06

Aliases

arxiv: 2607.05096 · arxiv_version: 2607.05096v1 · doi: 10.48550/arxiv.2607.05096 · pith_short_12: DX25MI4XB3ZX · pith_short_16: DX25MI4XB3ZXM5VC · pith_short_8: DX25MI4X

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/DX25MI4XB3ZXM5VCUMXSS2RD5Z \
  | 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: 1df5d623970ef37676a2a32f296a23ee7adbc64a350ab7c5b496c409e6815a06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f3e8a8fb1978c8cd80c410b3dbe0f6a6b73ca721c21a584f501900fb73f3beb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-07-06T13:54:26Z",
    "title_canon_sha256": "de89e0247dbf19e212d1879033b45a8be1f9b0d0ae40ca07384cb2dd7bb4339b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.05096",
    "kind": "arxiv",
    "version": 1
  }
}