Pith Number

pith:YLW5LXNO

pith:2011:YLW5LXNOGM7EXZ4CAGWVFIHOIG

not attested not anchored not stored refs pending

Sufficient Component Analysis for Supervised Dimension Reduction

Gang Niu, Jun Takagi, Makoto Yamada, Masashi Sugiyama

arxiv:1103.4998 v1 · 2011-03-25 · 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{YLW5LXNOGM7EXZ4CAGWVFIHOIG}

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	2026-05-18T04:25:48.241440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2edd5ddae333e4be78201ad52a0ee41875fd090a5ccf602eb2841fb808072b0

Aliases

arxiv: 1103.4998 · arxiv_version: 1103.4998v1 · doi: 10.48550/arxiv.1103.4998 · pith_short_12: YLW5LXNOGM7E · pith_short_16: YLW5LXNOGM7EXZ4C · pith_short_8: YLW5LXNO

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/YLW5LXNOGM7EXZ4CAGWVFIHOIG \
  | 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: c2edd5ddae333e4be78201ad52a0ee41875fd090a5ccf602eb2841fb808072b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff06e3913d809b5d28f7c68816eccff4798cde0b609c37822dec715a94ae5f79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2011-03-25T15:35:16Z",
    "title_canon_sha256": "d5bd7bc9e09b497dbe849762eb14dfd0ac83149c1f730bb9c090a93cec183ca7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.4998",
    "kind": "arxiv",
    "version": 1
  }
}