Pith Number

pith:2KFDLOFJ

pith:2026:2KFDLOFJNLZFRNGSIYDYYF5YEH

not attested not anchored not stored refs pending

Accelerating Sinkhorn for Entropy-Regularized Optimal Transport

Long Chen, Zeyi Xu

arxiv:2605.30267 v1 · 2026-05-28 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2KFDLOFJNLZFRNGSIYDYYF5YEH}

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	2026-05-29T02:06:14.563956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d28a35b8a96af258b4d246078c17b821e2cd34f9a6306398fa0465d52e6d2ebf

Aliases

arxiv: 2605.30267 · arxiv_version: 2605.30267v1 · doi: 10.48550/arxiv.2605.30267 · pith_short_12: 2KFDLOFJNLZF · pith_short_16: 2KFDLOFJNLZFRNGS · pith_short_8: 2KFDLOFJ

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/2KFDLOFJNLZFRNGSIYDYYF5YEH \
  | 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: d28a35b8a96af258b4d246078c17b821e2cd34f9a6306398fa0465d52e6d2ebf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "651939864bb2ff880e656bd40c30996a53445a52ee2b486335fac58d6329ea54",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-05-28T17:29:12Z",
    "title_canon_sha256": "61c213a6fd5c5d93c0a35a551ada3aa338eb2144d1d23e7e077b302e2fe38d24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.30267",
    "kind": "arxiv",
    "version": 1
  }
}