Pith Number

pith:7NKYBVSK

pith:2024:7NKYBVSKYAKV5ZTI5YQZFIFREY

not attested not anchored not stored refs pending

A Sinkhorn-type Algorithm for Constrained Optimal Transport

Holakou Rahmanian, Kiran Koshy Thekumparampil, Lexing Ying, Michael Shavlovsky, Tesi Xiao, Xun Tang

arxiv:2403.05054 v1 · 2024-03-08 · math.OC · 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{7NKYBVSKYAKV5ZTI5YQZFIFREY}

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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

PINS: Proximal Iterations with Sparse Newton and Sinkhorn for Optimal Transport

Receipt and verification

First computed	2026-07-05T07:53:37.778923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb5580d64ac0155ee668ee2192a0b126013f8ef5b52c9cead631992e28d9ca9d

Aliases

arxiv: 2403.05054 · arxiv_version: 2403.05054v1 · doi: 10.48550/arxiv.2403.05054 · pith_short_12: 7NKYBVSKYAKV · pith_short_16: 7NKYBVSKYAKV5ZTI · pith_short_8: 7NKYBVSK

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/7NKYBVSKYAKV5ZTI5YQZFIFREY \
  | 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: fb5580d64ac0155ee668ee2192a0b126013f8ef5b52c9cead631992e28d9ca9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12f533bbeb15fc72848cfdc3d70858e879c76ddcf284bf636d82c24165e903f7",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2024-03-08T05:01:43Z",
    "title_canon_sha256": "141487be2e8a0bfa20029b9fd76b41a9bdd8c32d0357efb516b3b5407d9872c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.05054",
    "kind": "arxiv",
    "version": 1
  }
}