Pith Number

pith:3FPJ3GA2

pith:2025:3FPJ3GA2AQGTAXEPG3KAXQTWOL

not attested not anchored not stored refs pending

A dimensionality reduction technique based on the Gromov-Wasserstein distance

Charles C. Cavalcante, Eduardo Fernandes Montesuma, Rafael P. Eufrazio

arxiv:2501.13732 v2 · 2025-01-23 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3FPJ3GA2AQGTAXEPG3KAXQTWOL}

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	2026-07-05T11:33:03.498222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d95e9d981a040d305c8f36d40bc27672f569c8682e0c78690dea60238010f4cb

Aliases

arxiv: 2501.13732 · arxiv_version: 2501.13732v2 · doi: 10.48550/arxiv.2501.13732 · pith_short_12: 3FPJ3GA2AQGT · pith_short_16: 3FPJ3GA2AQGTAXEP · pith_short_8: 3FPJ3GA2

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/3FPJ3GA2AQGTAXEPG3KAXQTWOL \
  | 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: d95e9d981a040d305c8f36d40bc27672f569c8682e0c78690dea60238010f4cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b7b5eb9807b050dff5d0441cc86245a61532f02f2b63558c3aca9214de80d20",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2025-01-23T15:05:51Z",
    "title_canon_sha256": "b63b3b50e486d165a92e2d05ba4885611c89403db50f84ef99a156b88749f813"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.13732",
    "kind": "arxiv",
    "version": 2
  }
}