Pith Number

pith:PKJ6MLZZ

pith:2018:PKJ6MLZZN6NSG6YUWT6S27IEHR

not attested not anchored not stored refs pending

orthoDr: Semiparametric Dimension Reduction via Orthogonality Constrained Optimization

Jiyang Zhang, Peng Xu, Ruilin Zhao, Ruoqing Zhu, Wenzhuo Zhou, Xin Zhang

arxiv:1811.11733 v2 · 2018-11-28 · stat.CO · 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{PKJ6MLZZN6NSG6YUWT6S27IEHR}

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	2026-05-17T23:41:30.841358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a93e62f396f9b237b14b4fd2d7d043c42c5d714f030c58b50d6f79767bfdcaf

Aliases

arxiv: 1811.11733 · arxiv_version: 1811.11733v2 · doi: 10.48550/arxiv.1811.11733 · pith_short_12: PKJ6MLZZN6NS · pith_short_16: PKJ6MLZZN6NSG6YU · pith_short_8: PKJ6MLZZ

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/PKJ6MLZZN6NSG6YUWT6S27IEHR \
  | 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: 7a93e62f396f9b237b14b4fd2d7d043c42c5d714f030c58b50d6f79767bfdcaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0ec26c5032af731ffc84a78bafd9e4e6c5a8ee080b54ca03d9baea30ce73e73",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2018-11-28T18:34:56Z",
    "title_canon_sha256": "17b373b7c62499bb644e89425a23aca6604272c15bb08b7b060b65ca1c61b863"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.11733",
    "kind": "arxiv",
    "version": 2
  }
}