Pith Number

pith:CJDPZWZG

pith:2018:CJDPZWZG2IA3GNDXRNM4BX26MU

not attested not anchored not stored refs pending

Robust principal components for irregularly spaced longitudinal data

Ricardo A. Maronna (University of La Plata, University of Buenos Aires)

arxiv:1803.09713 v1 · 2018-03-26 · 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{CJDPZWZG2IA3GNDXRNM4BX26MU}

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	2026-05-18T00:20:10.622023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1246fcdb26d201b334778b59c0df5e651e908cfedb2f8f78fa47317a450778ad

Aliases

arxiv: 1803.09713 · arxiv_version: 1803.09713v1 · doi: 10.48550/arxiv.1803.09713 · pith_short_12: CJDPZWZG2IA3 · pith_short_16: CJDPZWZG2IA3GNDX · pith_short_8: CJDPZWZG

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/CJDPZWZG2IA3GNDXRNM4BX26MU \
  | 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: 1246fcdb26d201b334778b59c0df5e651e908cfedb2f8f78fa47317a450778ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfa03c34d7db87dba505cb2bb86a8330163d21b376dda6d8dc61fcb866c34584",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2018-03-26T17:01:52Z",
    "title_canon_sha256": "ba3e3ebcdb028bc8922c515422760062b6ab635bf94bcb6f87b3a10df581f54c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09713",
    "kind": "arxiv",
    "version": 1
  }
}