Pith Number

pith:S23N44E5

pith:2019:S23N44E5QFMI7C5ZPZBJHVG544

not attested not anchored not stored refs pending

Equivalence of regression curves sharing common parameters

Frank Bretz, Holger Dette, Kathrin M\"ollenhoff

arxiv:1902.03456 v1 · 2019-02-09 · 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{S23N44E5QFMI7C5ZPZBJHVG544}

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	2026-05-17T23:54:20.780935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96b6de709d81588f8bb97e4293d4dde7160492478d91c4925a4c8b2995759225

Aliases

arxiv: 1902.03456 · arxiv_version: 1902.03456v1 · doi: 10.48550/arxiv.1902.03456 · pith_short_12: S23N44E5QFMI · pith_short_16: S23N44E5QFMI7C5Z · pith_short_8: S23N44E5

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/S23N44E5QFMI7C5ZPZBJHVG544 \
  | 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: 96b6de709d81588f8bb97e4293d4dde7160492478d91c4925a4c8b2995759225

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50a52d9304b5abd68a330d0abf9b04e8cb0b50ea45b9692391130a93778275ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-02-09T17:42:31Z",
    "title_canon_sha256": "eed3d50c35db6a31ea408df9d84d160627b17306cc983797c030d1366c6b3b3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03456",
    "kind": "arxiv",
    "version": 1
  }
}