Pith Number

pith:FRTCMOIV

pith:2022:FRTCMOIVE7CHUJSVXIIB2EFTSF

not attested not anchored not stored refs pending

Statistical inference with regularized optimal transport

Gabriel Rioux, Kengo Kato, Ritwik Sadhu, Ziv Goldfeld

arxiv:2205.04283 v2 · 2022-05-09 · math.ST · math.PR · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FRTCMOIVE7CHUJSVXIIB2EFTSF}

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	2026-07-05T04:29:33.650057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c6626391527c47a2655ba101d10b391568d7173badb602042265d89dbface28

Aliases

arxiv: 2205.04283 · arxiv_version: 2205.04283v2 · doi: 10.48550/arxiv.2205.04283 · pith_short_12: FRTCMOIVE7CH · pith_short_16: FRTCMOIVE7CHUJSV · pith_short_8: FRTCMOIV

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/FRTCMOIVE7CHUJSVXIIB2EFTSF \
  | 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: 2c6626391527c47a2655ba101d10b391568d7173badb602042265d89dbface28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2a4b06f08c90c7d30dc5afc79d8a759618232316a4d560d31c95b98b1153cb2",
    "cross_cats_sorted": [
      "math.PR",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2022-05-09T13:54:40Z",
    "title_canon_sha256": "b071bb4a26c031a0ecbb518b781e19ffd937caaf9bf6b639d449a54dbf558d8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.04283",
    "kind": "arxiv",
    "version": 2
  }
}