Pith Number

pith:5EOUX4QN

pith:2026:5EOUX4QNGRQGDBPTVFVPDJO2DH

not attested not anchored not stored refs pending

Structured Secant Methods to Select Smoothing Parameters For General Smooth Models

Jacolien van Rij, Jelmer P. Borst, Joshua Krause

arxiv:2606.26804 v1 · 2026-06-25 · stat.ME · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5EOUX4QNGRQGDBPTVFVPDJO2DH}

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	2026-06-26T01:16:00.239687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e91d4bf20d34606185f3a96af1a5da19c109bd6f56f0376af459f1863f4803b8

Aliases

arxiv: 2606.26804 · arxiv_version: 2606.26804v1 · doi: 10.48550/arxiv.2606.26804 · pith_short_12: 5EOUX4QNGRQG · pith_short_16: 5EOUX4QNGRQGDBPT · pith_short_8: 5EOUX4QN

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/5EOUX4QNGRQGDBPTVFVPDJO2DH \
  | 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: e91d4bf20d34606185f3a96af1a5da19c109bd6f56f0376af459f1863f4803b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3acafa4be81bda4e20db3f0881cf31cc53731464ddafe0481c3fd11972b641cf",
    "cross_cats_sorted": [
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-06-25T09:42:01Z",
    "title_canon_sha256": "117ed18654aa86f707cb30d413ec7d5d720af91475567e6676aaff44caba1222"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26804",
    "kind": "arxiv",
    "version": 1
  }
}