Pith Number

pith:DUICFEUE

pith:2019:DUICFEUEHJBMSS4PHK2BI5CFJW

not attested not anchored not stored refs pending

Statistical inference for Bures-Wasserstein barycenters

Alexandra Suvorikova, Alexey Kroshnin, Vladimir Spokoiny

arxiv:1901.00226 v2 · 2019-01-02 · math.ST · stat.AP · 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{DUICFEUEHJBMSS4PHK2BI5CFJW}

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	2026-05-17T23:54:21.768382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d102292843a42c94b8f3ab41474454daca86a5e2c19f4b2e4c5fc0a3ecc7fb3

Aliases

arxiv: 1901.00226 · arxiv_version: 1901.00226v2 · doi: 10.48550/arxiv.1901.00226 · pith_short_12: DUICFEUEHJBM · pith_short_16: DUICFEUEHJBMSS4P · pith_short_8: DUICFEUE

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/DUICFEUEHJBMSS4PHK2BI5CFJW \
  | 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: 1d102292843a42c94b8f3ab41474454daca86a5e2c19f4b2e4c5fc0a3ecc7fb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "137df4bc6825ad57a5536b1b07cdd177a393e0d42ca5d4cde25347a12781551f",
    "cross_cats_sorted": [
      "stat.AP",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2019-01-02T00:58:31Z",
    "title_canon_sha256": "8f146e44e993172e8837422e2b6faa44d8efdd8b79f5c90949a362c3d68f0326"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.00226",
    "kind": "arxiv",
    "version": 2
  }
}