Pith Number

pith:XWPVNZUF

pith:2024:XWPVNZUF7Y5WMZNKRAZT7SCV5O

not attested not anchored not stored refs pending

A Principal Square Response Forward Regression Method for Dimension Reduction

Hon Keung Tony Ng, Wei Gao, Yunhao Wang, Zheng Li

arxiv:2409.02372 v1 · 2024-09-04 · 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{XWPVNZUF7Y5WMZNKRAZT7SCV5O}

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	2026-07-05T09:02:46.292388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd9f56e685fe3b6665aa88333fc855ebb6e658e48fc67e6ac3c3dbf73964f22d

Aliases

arxiv: 2409.02372 · arxiv_version: 2409.02372v1 · doi: 10.48550/arxiv.2409.02372 · pith_short_12: XWPVNZUF7Y5W · pith_short_16: XWPVNZUF7Y5WMZNK · pith_short_8: XWPVNZUF

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/XWPVNZUF7Y5WMZNKRAZT7SCV5O \
  | 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: bd9f56e685fe3b6665aa88333fc855ebb6e658e48fc67e6ac3c3dbf73964f22d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33602421223ac41c0142a6f22b0c98dd2fad7780294feaa43564a8f486a8e8e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2024-09-04T01:41:24Z",
    "title_canon_sha256": "e0ecc30710127f0a04e1894907bae5b66d1d36a97bb7a8ae984bd07c2ca3e5ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.02372",
    "kind": "arxiv",
    "version": 1
  }
}