Pith Number

pith:3JNR4GED

pith:2022:3JNR4GEDEEOJU36TM6OLI6M7X4

not attested not anchored not stored refs pending

Geodesic Sinkhorn for Fast and Accurate Optimal Transport on Manifolds

Alexander Tong, Christopher J. Tape, Guillaume Huguet, Guy Wolf, Mar\'ia Ramos Zapatero, Smita Krishnaswamy

arxiv:2211.00805 v2 · 2022-11-02 · cs.LG · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3JNR4GEDEEOJU36TM6OLI6M7X4}

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	2026-07-05T06:54:13.647389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da5b1e1883211c9a6fd3679cb4799fbf1f6dc8031daa5f8c759b07c6e2ad0308

Aliases

arxiv: 2211.00805 · arxiv_version: 2211.00805v2 · doi: 10.48550/arxiv.2211.00805 · pith_short_12: 3JNR4GEDEEOJ · pith_short_16: 3JNR4GEDEEOJU36T · pith_short_8: 3JNR4GED

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/3JNR4GEDEEOJU36TM6OLI6M7X4 \
  | 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: da5b1e1883211c9a6fd3679cb4799fbf1f6dc8031daa5f8c759b07c6e2ad0308

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b4a9986b98bf9546518a1f0ab108016ac22424020320fefaa6bf074f57bfe65",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-11-02T00:51:35Z",
    "title_canon_sha256": "cb0a7ae29619e337fbe79c2d2b8828b3eecb192d580cae670496d858afd5c075"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.00805",
    "kind": "arxiv",
    "version": 2
  }
}