Pith Number

pith:JB7CCS7Q

pith:2013:JB7CCS7QUWH35XVV52ISSTLETY

not attested not anchored not stored refs pending

Switching Nonparametric Regression Models and the Motorcycle Data revisited

Camila P. E. de Souza, Nancy E. Heckman

arxiv:1305.2227 v2 · 2013-05-09 · 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{JB7CCS7QUWH35XVV52ISSTLETY}

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	2026-05-18T03:25:13.961087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

487e214bf0a58fbedeb5ee91294d649e10885dd277f498f32a920ce777fc4e32

Aliases

arxiv: 1305.2227 · arxiv_version: 1305.2227v2 · doi: 10.48550/arxiv.1305.2227 · pith_short_12: JB7CCS7QUWH3 · pith_short_16: JB7CCS7QUWH35XVV · pith_short_8: JB7CCS7Q

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/JB7CCS7QUWH35XVV52ISSTLETY \
  | 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: 487e214bf0a58fbedeb5ee91294d649e10885dd277f498f32a920ce777fc4e32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "161eadeeb20b630d96c9001b916f89158f42052dae34f5f4074bf6b2a9f41a16",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2013-05-09T22:30:44Z",
    "title_canon_sha256": "22fac4a9ef6bd576b45dde2860fe9ae563158526b204deb82d4be4384af0aedd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2227",
    "kind": "arxiv",
    "version": 2
  }
}