Pith Number

pith:YRW4L7TE

pith:2018:YRW4L7TES2USOLE4Y65TZMNQSP

not attested not anchored not stored refs pending

A Fast Proximal Point Method for Computing Exact Wasserstein Distance

Hongyuan Zha, Ruijia Wang, Xiangfeng Wang, Yujia Xie

arxiv:1802.04307 v3 · 2018-02-12 · 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{YRW4L7TES2USOLE4Y65TZMNQSP}

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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

Adversarial Computation of Optimal Transport Maps

Receipt and verification

First computed	2026-05-17T23:42:35.142070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c46dc5fe6496a9272c9cc7bb3cb1b093d8606d00e2235cef3775094fe3746cb8

Aliases

arxiv: 1802.04307 · arxiv_version: 1802.04307v3 · doi: 10.48550/arxiv.1802.04307 · pith_short_12: YRW4L7TES2US · pith_short_16: YRW4L7TES2USOLE4 · pith_short_8: YRW4L7TE

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/YRW4L7TES2USOLE4Y65TZMNQSP \
  | 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: c46dc5fe6496a9272c9cc7bb3cb1b093d8606d00e2235cef3775094fe3746cb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa8418bc7be4de5c0059457a330717f886c1d34e1d9b5e5b67b3576dfa7fb752",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-02-12T19:06:59Z",
    "title_canon_sha256": "b6cada2f3d5df12716049ab189f9ec9917df1fa4a2e20faca744acb5336a1358"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04307",
    "kind": "arxiv",
    "version": 3
  }
}