Pith Number

pith:LUU7ZDAE

pith:2023:LUU7ZDAEHVE5O3EZZSSDQXFCFH

not attested not anchored not stored refs pending

Recent Advances in Optimal Transport for Machine Learning

Antoine Souloumiac, Eduardo Fernandes Montesuma, Fred Ngol\`e Mboula

arxiv:2306.16156 v2 · 2023-06-28 · cs.LG · math.PR · 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{LUU7ZDAEHVE5O3EZZSSDQXFCFH}

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.

Cited by

1 paper in Pith

A dimensionality reduction technique based on the Gromov-Wasserstein distance

Receipt and verification

First computed	2026-07-05T08:57:33.428245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d29fc8c043d49d76c99cca4385ca229c5152b17f750d45b98b2eed745f796c5

Aliases

arxiv: 2306.16156 · arxiv_version: 2306.16156v2 · doi: 10.48550/arxiv.2306.16156 · pith_short_12: LUU7ZDAEHVE5 · pith_short_16: LUU7ZDAEHVE5O3EZ · pith_short_8: LUU7ZDAE

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/LUU7ZDAEHVE5O3EZZSSDQXFCFH \
  | 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: 5d29fc8c043d49d76c99cca4385ca229c5152b17f750d45b98b2eed745f796c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a6e8c107ef7a7b4726cda49085ac258de48e956fd11a775a8bd1db53d430e07",
    "cross_cats_sorted": [
      "math.PR",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-06-28T12:37:23Z",
    "title_canon_sha256": "7013d2d37767609f2e68d758745dfb0054d623f176bf3a44d14a81fbac4bcc4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.16156",
    "kind": "arxiv",
    "version": 2
  }
}