Pith Number

pith:BR3VQDVP

pith:2018:BR3VQDVPVSDRXEESAGR4GI2N44

not attested not anchored not stored refs pending

Optimal Transport for structured data with application on graphs

Laetitia Chapel, Nicolas Courty, R\'emi Flamary, Romain Tavenard, Titouan Vayer

arxiv:1805.09114 v3 · 2018-05-23 · 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{BR3VQDVPVSDRXEESAGR4GI2N44}

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.

Cited by

2 papers in Pith

Hausdorff and Wasserstein metrics on graphs and other structured data

Calibrating Tabular Anomaly Detection via Optimal Transport

Receipt and verification

First computed	2026-05-17T23:46:30.428623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c77580eafac871b909201a3c3234de718f6bcebc456fb7696a76ea658fb31cf

Aliases

arxiv: 1805.09114 · arxiv_version: 1805.09114v3 · doi: 10.48550/arxiv.1805.09114 · pith_short_12: BR3VQDVPVSDR · pith_short_16: BR3VQDVPVSDRXEES · pith_short_8: BR3VQDVP

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/BR3VQDVPVSDRXEESAGR4GI2N44 \
  | 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: 0c77580eafac871b909201a3c3234de718f6bcebc456fb7696a76ea658fb31cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b5beca70fcf5bd11669b83135e141a2a22aca75cd71b319926dc959d1d14777",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-05-23T13:13:27Z",
    "title_canon_sha256": "a50dcfce384fe6698be2a8f1e0fe8c67e038a432520c816d1a3230348695fbb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.09114",
    "kind": "arxiv",
    "version": 3
  }
}