Pith Number

pith:PB72RKPB

pith:2020:PB72RKPBJU72V5DICCMKIO236V

not attested not anchored not stored refs pending

Feature Robust Optimal Transport for High-dimensional Data

Chao Liang, Linchao Zhu, Makoto Yamada, Mathis Petrovich, Ruslan Salakhutdinov, Ryoma Sato, Yanbin Liu, Yao-Hung Hubert Tsai, Yi Yang

arxiv:2005.12123 v4 · 2020-05-25 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PB72RKPBJU72V5DICCMKIO236V}

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	2026-07-05T01:38:37.393444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

787fa8a9e14d3faaf4681098a43b5bf5714f6cf795788281ddb875f74362f9ea

Aliases

arxiv: 2005.12123 · arxiv_version: 2005.12123v4 · doi: 10.48550/arxiv.2005.12123 · pith_short_12: PB72RKPBJU72 · pith_short_16: PB72RKPBJU72V5DI · pith_short_8: PB72RKPB

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/PB72RKPBJU72V5DICCMKIO236V \
  | 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: 787fa8a9e14d3faaf4681098a43b5bf5714f6cf795788281ddb875f74362f9ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbcb2e94b42812c7f7a4ee92b1fc0ff70d6462618fbf46498a1c8f010e8a62de",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2020-05-25T14:07:16Z",
    "title_canon_sha256": "4be7f164869acdd920bd03026673dfbbfeeb7dc1bf082d6c3c933ef474b7cbc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.12123",
    "kind": "arxiv",
    "version": 4
  }
}