Pith Number

pith:DB3EJP7T

pith:2016:DB3EJP7TJIB2F3WI4V67BDOU55

not attested not anchored not stored refs pending

Correlated-PCA: Principal Components' Analysis when Data and Noise are Correlated

Han Guo, Namrata Vaswani

arxiv:1608.04320 v2 · 2016-08-15 · cs.LG · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DB3EJP7TJIB2F3WI4V67BDOU55}

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	2026-05-18T01:00:33.799692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

187644bff34a03a2eec8e57df08dd4ef5cfa834bb1c9791a4a998d851e067f74

Aliases

arxiv: 1608.04320 · arxiv_version: 1608.04320v2 · doi: 10.48550/arxiv.1608.04320 · pith_short_12: DB3EJP7TJIB2 · pith_short_16: DB3EJP7TJIB2F3WI · pith_short_8: DB3EJP7T

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/DB3EJP7TJIB2F3WI4V67BDOU55 \
  | 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: 187644bff34a03a2eec8e57df08dd4ef5cfa834bb1c9791a4a998d851e067f74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "884cd0f4934b783c119501b4ea23e3f97faf6bd38ab8f76d5689192b0f8682b0",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-08-15T16:32:57Z",
    "title_canon_sha256": "fda34a512b6bfc9b727e6bda3e28a937a3a1acaea642f8750fa510c6637e1d1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.04320",
    "kind": "arxiv",
    "version": 2
  }
}