Pith Number

pith:WWUAQUJH

pith:2025:WWUAQUJHHZSWSUX3VG2FNDG3PW

not attested not anchored not stored refs pending

Scalable Approximate Algorithms for Optimal Transport Linear Models

Ann M. Dillner, Francois Kamper, Gianluca Janka, Michael W. Heiss, Satoshi Takahama, Tomasz Kacprzak

arxiv:2504.04609 v1 · 2025-04-06 · stat.ML · cs.LG · 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{WWUAQUJHHZSWSUX3VG2FNDG3PW}

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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

3 papers in Pith

Near-Linear Time Generalized Sinkhorn Algorithms for Bounded Genus Graphs

Receipt and verification

First computed	2026-07-05T10:45:26.988272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5a80851273e656952fba9b4568cdb7d893b636960989c7fe6d662963c7f2a0e

Aliases

arxiv: 2504.04609 · arxiv_version: 2504.04609v1 · doi: 10.48550/arxiv.2504.04609 · pith_short_12: WWUAQUJHHZSW · pith_short_16: WWUAQUJHHZSWSUX3 · pith_short_8: WWUAQUJH

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/WWUAQUJHHZSWSUX3VG2FNDG3PW \
  | 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: b5a80851273e656952fba9b4568cdb7d893b636960989c7fe6d662963c7f2a0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37aa05fabb71ec4b8ea49dfd01fa492dcbf0063ac2e3f4cf4f4265953958299f",
    "cross_cats_sorted": [
      "cs.LG",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2025-04-06T20:37:25Z",
    "title_canon_sha256": "c895b29cd19ee7fcfdbf35ed97b60cc9443cc3960173a32845033ba564c11708"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.04609",
    "kind": "arxiv",
    "version": 1
  }
}