Pith Number

pith:U664CO5Q

pith:2019:U664CO5QWMVB6U7IYBOVVRRCAZ

not attested not anchored not stored refs pending

Correspondence Analysis Using Neural Networks

Flavio P. Calmon, Hsiang Hsu, Salman Salamatian

arxiv:1902.07828 v1 · 2019-02-21 · stat.ML · cs.IT · cs.LG · 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{U664CO5QWMVB6U7IYBOVVRRCAZ}

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	2026-05-17T23:53:03.763299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7bdc13bb0b32a1f53e8c05d5ac622064cbd2824b21db5909b7b6e9c16a939c0

Aliases

arxiv: 1902.07828 · arxiv_version: 1902.07828v1 · doi: 10.48550/arxiv.1902.07828 · pith_short_12: U664CO5QWMVB · pith_short_16: U664CO5QWMVB6U7I · pith_short_8: U664CO5Q

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/U664CO5QWMVB6U7IYBOVVRRCAZ \
  | 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: a7bdc13bb0b32a1f53e8c05d5ac622064cbd2824b21db5909b7b6e9c16a939c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa32561d0c86dba7b2141c67eed5ace5adf81d00d4807f95f0e65feaf808ee58",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.LG",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-02-21T01:09:30Z",
    "title_canon_sha256": "78be8e20eca8743106d1eb13341998c7db23d00d40ce847fb56e300f67665dd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07828",
    "kind": "arxiv",
    "version": 1
  }
}