Pith Number

pith:WFPTHEGM

pith:2020:WFPTHEGMYT53NUMURV5JTYKWPB

not attested not anchored not stored refs pending

Sinkhorn EM: An Expectation-Maximization algorithm based on entropic optimal transport

Amin Nejatbakhsh, Erdem Varol, Gonzalo Mena, Jonathan Niles-Weed

arxiv:2006.16548 v1 · 2020-06-30 · stat.ML · cs.LG · stat.CO · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WFPTHEGMYT53NUMURV5JTYKWPB}

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

4 papers in Pith

A Call to Lagrangian Action: Learning Population Mechanics from Temporal Snapshots

On Model-Based Clustering With Entropic Optimal Transport

Receipt and verification

First computed	2026-07-05T01:14:56.154369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b15f3390ccc4fbb6d1948d7a99e15678475ac23716ea9ba75d6eb9503851ebb9

Aliases

arxiv: 2006.16548 · arxiv_version: 2006.16548v1 · doi: 10.48550/arxiv.2006.16548 · pith_short_12: WFPTHEGMYT53 · pith_short_16: WFPTHEGMYT53NUMU · pith_short_8: WFPTHEGM

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/WFPTHEGMYT53NUMURV5JTYKWPB \
  | 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: b15f3390ccc4fbb6d1948d7a99e15678475ac23716ea9ba75d6eb9503851ebb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe72ab670dc308fd9d4fd725b31d7d2f8c52bf053cd62129079f4477302c2d6d",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.CO",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2020-06-30T06:03:37Z",
    "title_canon_sha256": "f33cb04160a3a2a35d8543b575ba3ccbbb2bf67d6c5d7225f35539a9e1023057"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.16548",
    "kind": "arxiv",
    "version": 1
  }
}