Pith Number

pith:2W5IQ5NU

pith:2011:2W5IQ5NUIWMUIDVJAYAZYYDD4A

not attested not anchored not stored refs pending

A Skew-t-Normal Multi-Level Reduced-Rank Functional PCA Model with Applications to Replicated `Omics Time Series Data Sets

Giovanni Montana, Maurice Berk

arxiv:1112.0152 v1 · 2011-12-01 · 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{2W5IQ5NUIWMUIDVJAYAZYYDD4A}

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	2026-05-18T04:07:16.787448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5ba8875b44599440ea906019c6063e02a33c84b1d04f688eda12eafbd0f883b

Aliases

arxiv: 1112.0152 · arxiv_version: 1112.0152v1 · doi: 10.48550/arxiv.1112.0152 · pith_short_12: 2W5IQ5NUIWMU · pith_short_16: 2W5IQ5NUIWMUIDVJ · pith_short_8: 2W5IQ5NU

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/2W5IQ5NUIWMUIDVJAYAZYYDD4A \
  | 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: d5ba8875b44599440ea906019c6063e02a33c84b1d04f688eda12eafbd0f883b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83731747f458ca5c6f903cad79a586027140ce65374bfa6c73ac71a73c55ccac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2011-12-01T12:14:20Z",
    "title_canon_sha256": "b3e9c6e404c96fb74a6b557657947b245221143634c5cd44c2df893b8b1152fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.0152",
    "kind": "arxiv",
    "version": 1
  }
}