Pith Number

pith:JTHWQAUG

pith:2019:JTHWQAUGYHWSZTDHOM7HPKNKW4

not attested not anchored not stored refs pending

Fast convergence of empirical barycenters in Alexandrov spaces and the Wasserstein space

Austin J. Stromme, Philippe Rigollet, Quentin Paris, Thibaut Le Gouic

arxiv:1908.00828 v4 · 2019-08-02 · math.ST · math.MG · stat.TH

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JTHWQAUGYHWSZTDHOM7HPKNKW4}

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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

Inference for Fr\'echet Regression

Receipt and verification

First computed	2026-07-05T02:57:05.495442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ccf680286c1ed2ccc67733e77a9aab7009fcc6d9f4ad6bfcd1188dc7798f5aa

Aliases

arxiv: 1908.00828 · arxiv_version: 1908.00828v4 · doi: 10.48550/arxiv.1908.00828 · pith_short_12: JTHWQAUGYHWS · pith_short_16: JTHWQAUGYHWSZTDH · pith_short_8: JTHWQAUG

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/JTHWQAUGYHWSZTDHOM7HPKNKW4 \
  | 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: 4ccf680286c1ed2ccc67733e77a9aab7009fcc6d9f4ad6bfcd1188dc7798f5aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a676d48ff552fee6bf662957eb5514909479e05f6c96765991c294a7a6f4c20d",
    "cross_cats_sorted": [
      "math.MG",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2019-08-02T12:46:08Z",
    "title_canon_sha256": "e45ddced93d902db7726a5eba34c6f37ae874721f421da536a6824a12bd4d26f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.00828",
    "kind": "arxiv",
    "version": 4
  }
}