Pith Number

pith:5DDOQI2F

pith:2019:5DDOQI2FOCJALX2R3XMFB4GJ3V

not attested not anchored not stored refs pending

Wasserstein Barycenter Model Ensembling

Cicero dos Santos, Igor Melnyk, Jerret Ross, Pierre Dognin, Tom Sercu, Youssef Mroueh

arxiv:1902.04999 v1 · 2019-02-13 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5DDOQI2FOCJALX2R3XMFB4GJ3V}

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	2026-05-17T23:54:03.676690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8c6e82345709205df51ddd850f0c9dd7e87ca9f9a019f31caa597b72d357a41

Aliases

arxiv: 1902.04999 · arxiv_version: 1902.04999v1 · doi: 10.48550/arxiv.1902.04999 · pith_short_12: 5DDOQI2FOCJA · pith_short_16: 5DDOQI2FOCJALX2R · pith_short_8: 5DDOQI2F

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/5DDOQI2FOCJALX2R3XMFB4GJ3V \
  | 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: e8c6e82345709205df51ddd850f0c9dd7e87ca9f9a019f31caa597b72d357a41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07a91362485b9b8d919bec82e78f8a3a14c47c12f68dc0698ce4b2d53dd44d02",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-02-13T16:43:32Z",
    "title_canon_sha256": "d48edeeceeddc876dd97b52c7094c0cef8eb020a28e6b875b6fd157a259a4464"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04999",
    "kind": "arxiv",
    "version": 1
  }
}