Pith Number

pith:PKELU5SE

pith:2015:PKELU5SEFUCG6RJSS3YC5DKX73

not attested not anchored not stored refs pending

PCA with Gaussian perturbations

Manfred K. Warmuth, Wojciech Kot{\l}owski

arxiv:1506.04855 v2 · 2015-06-16 · cs.LG · 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{PKELU5SEFUCG6RJSS3YC5DKX73}

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	2026-05-18T01:36:22.795382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a88ba76442d046f453296f02e8d57fef12480bf9a7182231d5d7be4e9929a46

Aliases

arxiv: 1506.04855 · arxiv_version: 1506.04855v2 · doi: 10.48550/arxiv.1506.04855 · pith_short_12: PKELU5SEFUCG · pith_short_16: PKELU5SEFUCG6RJS · pith_short_8: PKELU5SE

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/PKELU5SEFUCG6RJSS3YC5DKX73 \
  | 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: 7a88ba76442d046f453296f02e8d57fef12480bf9a7182231d5d7be4e9929a46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad13401c3a58978493314d6c5f4bdd9fa8c7b5d7c2528f52aceb6f58919f9ca5",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-06-16T07:04:19Z",
    "title_canon_sha256": "d41d0c3e23e36fe32843508520865850626a26a5784ca66260ac96c06d3fcbdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.04855",
    "kind": "arxiv",
    "version": 2
  }
}