Pith Number

pith:F6ZTZ2IB

pith:2023:F6ZTZ2IBZLOCD3VDWHDYNXIQSB

not attested not anchored not stored refs pending

A Specialized Semismooth Newton Method for Kernel-Based Optimal Transport

Marco Cuturi, Michael I. Jordan, Tianyi Lin

arxiv:2310.14087 v2 · 2023-10-21 · 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{F6ZTZ2IBZLOCD3VDWHDYNXIQSB}

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	2026-07-05T07:39:31.236219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fb33ce901cadc21eea3b1c786dd1090452c8825553b18aa7a3a6696753b18d8

Aliases

arxiv: 2310.14087 · arxiv_version: 2310.14087v2 · doi: 10.48550/arxiv.2310.14087 · pith_short_12: F6ZTZ2IBZLOC · pith_short_16: F6ZTZ2IBZLOCD3VD · pith_short_8: F6ZTZ2IB

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/F6ZTZ2IBZLOCD3VDWHDYNXIQSB \
  | 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: 2fb33ce901cadc21eea3b1c786dd1090452c8825553b18aa7a3a6696753b18d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6387365f24a95d2b3e6d4f3d2fa8a698fe41c0ad4b13a5e239c3e2fbfefa51db",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-10-21T18:48:45Z",
    "title_canon_sha256": "570dede37164f9bd44de29808e785e816578a25210e6248812080945e459c319"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.14087",
    "kind": "arxiv",
    "version": 2
  }
}