Pith Number

pith:3LGYPFDF

pith:2025:3LGYPFDF6R4IYI6ASADNWTONUJ

not attested not anchored not stored refs pending

Embedding Empirical Distributions for Computing Optimal Transport Maps

Mingchen Jiang, Peng Xu, Xiaohui Chen, Xichen Ye, Yifan Chen, Yun Yang

arxiv:2504.17740 v1 · 2025-04-24 · 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{3LGYPFDF6R4IYI6ASADNWTONUJ}

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	2026-07-05T10:53:40.388019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dacd879465f4788c23c09006db4dcda2720ee1fddf8d43eca867dda12cbd359a

Aliases

arxiv: 2504.17740 · arxiv_version: 2504.17740v1 · doi: 10.48550/arxiv.2504.17740 · pith_short_12: 3LGYPFDF6R4I · pith_short_16: 3LGYPFDF6R4IYI6A · pith_short_8: 3LGYPFDF

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/3LGYPFDF6R4IYI6ASADNWTONUJ \
  | 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: dacd879465f4788c23c09006db4dcda2720ee1fddf8d43eca867dda12cbd359a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29fff45601457ea53c9194450a93c8227abf8472fe2a826cbe8e126d47d9d6e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-04-24T16:52:48Z",
    "title_canon_sha256": "32e5950cadaed35f1047b2bcd037e31864ff2875a8d45a7621efa6dfca28b8bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.17740",
    "kind": "arxiv",
    "version": 1
  }
}