Pith Number

pith:OP2J3YWS

pith:2022:OP2J3YWSXPNXPGJSX3ERA443O4

not attested not anchored not stored refs pending

Faster Unbalanced Optimal Transport: Translation invariant Sinkhorn and 1-D Frank-Wolfe

Fran\c{c}ois-Xavier Vialard, Gabriel Peyr\'e, Thibault S\'ejourn\'e

arxiv:2201.00730 v1 · 2022-01-03 · 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{OP2J3YWSXPNXPGJSX3ERA443O4}

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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

Examining Entropic Unbalanced Optimal Transport and Sinkhorn Divergences for Spatial Forecast Verification

Receipt and verification

First computed	2026-07-05T03:45:05.962004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73f49de2d2bbdb779932bec910739b771006ccb095bfb0e94e333c973d3a6d12

Aliases

arxiv: 2201.00730 · arxiv_version: 2201.00730v1 · doi: 10.48550/arxiv.2201.00730 · pith_short_12: OP2J3YWSXPNX · pith_short_16: OP2J3YWSXPNXPGJS · pith_short_8: OP2J3YWS

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/OP2J3YWSXPNXPGJSX3ERA443O4 \
  | 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: 73f49de2d2bbdb779932bec910739b771006ccb095bfb0e94e333c973d3a6d12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a76d5f52eabf245d1a9edf4c97a074fa931f11d8213f80da1b7c223eb0d32a24",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2022-01-03T16:07:57Z",
    "title_canon_sha256": "c75ce0c3981b31683d322bd061c8e341d0d87f63989f3d05f57c510cff8fa1a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.00730",
    "kind": "arxiv",
    "version": 1
  }
}