Pith Number

pith:P52BH6J6

pith:2018:P52BH6J6ZIYXLWSQLDS7PKNOFU

not attested not anchored not stored refs pending

Brenier approach for optimal transportation between a quasi-discrete measure and a discrete measure

Alexandre Saidi, Liming Chen, Xianfeng Gu, Ying Lu

arxiv:1801.05574 v1 · 2018-01-17 · cs.CV · 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{P52BH6J6ZIYXLWSQLDS7PKNOFU}

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	2026-05-18T00:25:40.852268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f7413f93eca3175da5058e5f7a9ae2d25a80ca1ad2eb8ec990e8cd5d613d61b

Aliases

arxiv: 1801.05574 · arxiv_version: 1801.05574v1 · doi: 10.48550/arxiv.1801.05574 · pith_short_12: P52BH6J6ZIYX · pith_short_16: P52BH6J6ZIYXLWSQ · pith_short_8: P52BH6J6

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/P52BH6J6ZIYXLWSQLDS7PKNOFU \
  | 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: 7f7413f93eca3175da5058e5f7a9ae2d25a80ca1ad2eb8ec990e8cd5d613d61b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c1b32a29d2d97e408d316919236a17182366c5d4c014b0637f99a54236ed79b",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-01-17T07:06:21Z",
    "title_canon_sha256": "5403a7ed8126c8803bc31461aa01c425fd3c628b59457cbbb38a8b59f0ddf09a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05574",
    "kind": "arxiv",
    "version": 1
  }
}