Pith Number

pith:P4H256JH

pith:2021:P4H256JH5IHQPE7SDY5PON2HAA

not attested not anchored not stored refs pending

Near-optimal estimation of smooth transport maps with kernel sums-of-squares

Adrien Vacher, Alessandro Rudi, Boris Muzellec, Fran\c{c}ois-Xavier Vialard, Francis Bach

arxiv:2112.01907 v2 · 2021-12-03 · stat.ML · cs.LG · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P4H256JH5IHQPE7SDY5PON2HAA}

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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

Provably convergent stochastic fixed-point algorithm for free-support Wasserstein barycenter of continuous non-parametric measures

Receipt and verification

First computed	2026-07-05T03:44:15.053536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f0faef927ea0f0793f21e3af73747001edf49d5a7fdaf774ac70591dc027d02

Aliases

arxiv: 2112.01907 · arxiv_version: 2112.01907v2 · doi: 10.48550/arxiv.2112.01907 · pith_short_12: P4H256JH5IHQ · pith_short_16: P4H256JH5IHQPE7S · pith_short_8: P4H256JH

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/P4H256JH5IHQPE7SDY5PON2HAA \
  | 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: 7f0faef927ea0f0793f21e3af73747001edf49d5a7fdaf774ac70591dc027d02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "663929ea263281dc3d0a6b48ea5616789bcba77679996e5f572d4fc2ddbd294c",
    "cross_cats_sorted": [
      "cs.LG",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2021-12-03T13:45:36Z",
    "title_canon_sha256": "1d51c7122a759f93d44d4e12530012636170a92d3d8a7e31e3711e5308092c87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.01907",
    "kind": "arxiv",
    "version": 2
  }
}