Pith Number

pith:XWFLXAK5

pith:2015:XWFLXAK53TL3N7RMUCLMN7C4HG

not attested not anchored not stored refs pending

PCA-Based Out-of-Sample Extension for Dimensionality Reduction

Amir Averbuch, Amit Bermanis, Yariv Aizenbud

arxiv:1511.00831 v1 · 2015-11-03 · 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{XWFLXAK53TL3N7RMUCLMN7C4HG}

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	2026-05-18T01:27:56.125346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd8abb815ddcd7b6fe2ca096c6fc5c3990c628c1372b49020922ee8300dd50a3

Aliases

arxiv: 1511.00831 · arxiv_version: 1511.00831v1 · doi: 10.48550/arxiv.1511.00831 · pith_short_12: XWFLXAK53TL3 · pith_short_16: XWFLXAK53TL3N7RM · pith_short_8: XWFLXAK5

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/XWFLXAK53TL3N7RMUCLMN7C4HG \
  | 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: bd8abb815ddcd7b6fe2ca096c6fc5c3990c628c1372b49020922ee8300dd50a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fed4320a45fa9a3088ed30232892f9564bff2c18843d65051859b1618e36344f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-11-03T09:30:44Z",
    "title_canon_sha256": "54d543e29b685b0734427b5ac192ec5fedfe24d26eae5a2422fab5eabde96139"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.00831",
    "kind": "arxiv",
    "version": 1
  }
}