Pith Number

pith:3A7IZPFF

pith:2019:3A7IZPFF6FHH6WHN7EKQPYSMQ4

not attested not anchored not stored refs pending

Separating common (global and local) and distinct variation in multiple mixed types data sets

Age K. Smilde, Johan A. Westerhuis, Yipeng Song

arxiv:1902.06241 v2 · 2019-02-17 · stat.ME · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3A7IZPFF6FHH6WHN7EKQPYSMQ4}

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	2026-07-05T01:42:51.409717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d83e8cbca5f14e7f58edf91507e24c87139f78674d3ba389feea678508fb2126

Aliases

arxiv: 1902.06241 · arxiv_version: 1902.06241v2 · doi: 10.48550/arxiv.1902.06241 · pith_short_12: 3A7IZPFF6FHH · pith_short_16: 3A7IZPFF6FHH6WHN · pith_short_8: 3A7IZPFF

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/3A7IZPFF6FHH6WHN7EKQPYSMQ4 \
  | 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: d83e8cbca5f14e7f58edf91507e24c87139f78674d3ba389feea678508fb2126

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c2de4a391ac8931ed833f004a3581ab6cecc792385d0521a7aae1cd7485d69a",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-02-17T10:49:34Z",
    "title_canon_sha256": "394540b2fca73ad38f9dd59862e7ecf8e90e45f44c44383e9bba13e69572a283"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06241",
    "kind": "arxiv",
    "version": 2
  }
}