Pith Number

pith:VGSN3Y2E

pith:2018:VGSN3Y2EHJGL277UIHUFVEKFDP

not attested not anchored not stored refs pending

On the Computation of Kantorovich-Wasserstein Distances between 2D-Histograms by Uncapacitated Minimum Cost Flows

Federico Bassetti, Marco Veneroni, Stefano Gualandi

arxiv:1804.00445 v3 · 2018-04-02 · math.OC · 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{VGSN3Y2EHJGL277UIHUFVEKFDP}

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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.

Receipt and verification

First computed	2026-05-17T23:39:32.423409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9a4dde3443a4cbd7ff441e85a91451bc67e3b38541342a7b6180efdacbe86e8

Aliases

arxiv: 1804.00445 · arxiv_version: 1804.00445v3 · doi: 10.48550/arxiv.1804.00445 · pith_short_12: VGSN3Y2EHJGL · pith_short_16: VGSN3Y2EHJGL277U · pith_short_8: VGSN3Y2E

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/VGSN3Y2EHJGL277UIHUFVEKFDP \
  | 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: a9a4dde3443a4cbd7ff441e85a91451bc67e3b38541342a7b6180efdacbe86e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6d411292238acae41954c5933e0d79dca755198558891a1078d18fe89797fe6",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-04-02T10:40:48Z",
    "title_canon_sha256": "4ab40afa07d4840108e23f55a104090e05b004a85015ce40b8a3870c9e016997"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00445",
    "kind": "arxiv",
    "version": 3
  }
}