Pith Number

pith:43Q5UV3F

pith:2015:43Q5UV3F72TXVPXF2CXWFF5YDC

not attested not anchored not stored refs pending

A review of learning vector quantization classifiers

David Nova, Pablo A. Estevez

arxiv:1509.07093 v1 · 2015-09-23 · cs.LG · astro-ph.IM · cs.NE · 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{43Q5UV3F72TXVPXF2CXWFF5YDC}

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	2026-05-18T01:32:16.948126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6e1da5765fea77abee5d0af6297b818a0344f1d90db40a88a7b9efbb2688905

Aliases

arxiv: 1509.07093 · arxiv_version: 1509.07093v1 · doi: 10.48550/arxiv.1509.07093 · pith_short_12: 43Q5UV3F72TX · pith_short_16: 43Q5UV3F72TXVPXF · pith_short_8: 43Q5UV3F

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/43Q5UV3F72TXVPXF2CXWFF5YDC \
  | 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: e6e1da5765fea77abee5d0af6297b818a0344f1d90db40a88a7b9efbb2688905

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3338ee755198cf2b12e99eaf710733ebd5cc2c3c40bf9ce96a09a08f145523a",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "cs.NE",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-09-23T18:46:31Z",
    "title_canon_sha256": "1f060864f06749a8ae6b85cd8256b3d866d732648a2bdb9322bc86f3982c6bf9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07093",
    "kind": "arxiv",
    "version": 1
  }
}