Pith Number

pith:QASCNFDP

pith:2018:QASCNFDPJD7GXGWQZWNFD4F3WL

not attested not anchored not stored refs pending

Supervised Kernel PCA For Longitudinal Data

Gregory A. Ryslik, Min Ouyang, Patrick Staples, Paul Dagum, Robert F. Dougherty

arxiv:1808.06638 v3 · 2018-08-20 · 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{QASCNFDPJD7GXGWQZWNFD4F3WL}

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	2026-05-18T00:07:27.250994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

802426946f48fe6b9ad0cd9a51f0bbb2d23bdd4eb4ba31b1c4ce8a13cd77acbe

Aliases

arxiv: 1808.06638 · arxiv_version: 1808.06638v3 · doi: 10.48550/arxiv.1808.06638 · pith_short_12: QASCNFDPJD7G · pith_short_16: QASCNFDPJD7GXGWQ · pith_short_8: QASCNFDP

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/QASCNFDPJD7GXGWQZWNFD4F3WL \
  | 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: 802426946f48fe6b9ad0cd9a51f0bbb2d23bdd4eb4ba31b1c4ce8a13cd77acbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50be1a83016dd0e4bc7972cb9b090abd8067e9fbfe8d0de74600ca645fe0e4ed",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2018-08-20T18:18:52Z",
    "title_canon_sha256": "75c7e550d28f1ec7a73797d64b344a03c7327a1fef3f6406246542d329b6525b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06638",
    "kind": "arxiv",
    "version": 3
  }
}