Pith Number

pith:C7AYRD7U

pith:2025:C7AYRD7UXSABKLVYEUNWFT274E

not attested not anchored not stored refs pending

Coreset selection for the Sinkhorn divergence and generic smooth divergences

Alex Kokot, Alex Luedtke

arxiv:2504.20194 v2 · 2025-04-28 · 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{C7AYRD7UXSABKLVYEUNWFT274E}

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

FlashSinkhorn: IO-Aware Entropic Optimal Transport on GPU

Receipt and verification

First computed	2026-07-05T11:05:43.558187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17c1888ff4bc80152eb8251b62cf5fe10ffc5897596e9e5aaba3c82587e97ac6

Aliases

arxiv: 2504.20194 · arxiv_version: 2504.20194v2 · doi: 10.48550/arxiv.2504.20194 · pith_short_12: C7AYRD7UXSAB · pith_short_16: C7AYRD7UXSABKLVY · pith_short_8: C7AYRD7U

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/C7AYRD7UXSABKLVYEUNWFT274E \
  | 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: 17c1888ff4bc80152eb8251b62cf5fe10ffc5897596e9e5aaba3c82587e97ac6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f28ae83f6040b3048df1d65efea4d8e2cbe84d8d776929399a6e3ced270385d",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2025-04-28T18:54:53Z",
    "title_canon_sha256": "10ddf0a3688044f7ada3d04412e7cf63c57c0976fa7aa586c37f6d6e8ef19300"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.20194",
    "kind": "arxiv",
    "version": 2
  }
}