Pith Number

pith:SI7M6ZRF

pith:2020:SI7M6ZRFHEX2T2JTQZKWEBDHQ5

not attested not anchored not stored refs pending

SVGD as a kernelized Wasserstein gradient flow of the chi-squared divergence

Chen Lu, Philippe Rigollet, Sinho Chewi, Thibaut Le Gouic, Tyler Maunu

arxiv:2006.02509 v1 · 2020-06-03 · math.ST · cs.LG · 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{SI7M6ZRFHEX2T2JTQZKWEBDHQ5}

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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.

Cited by

1 paper in Pith

Weighted quantization using MMD: From mean field to mean shift via gradient flows

Receipt and verification

First computed	2026-07-05T01:07:57.284797Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

923ecf6625392fa9e9338655620467875c61417ae5781de38ce21c8be6e76d2f

Aliases

arxiv: 2006.02509 · arxiv_version: 2006.02509v1 · doi: 10.48550/arxiv.2006.02509 · pith_short_12: SI7M6ZRFHEX2 · pith_short_16: SI7M6ZRFHEX2T2JT · pith_short_8: SI7M6ZRF

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/SI7M6ZRFHEX2T2JTQZKWEBDHQ5 \
  | 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: 923ecf6625392fa9e9338655620467875c61417ae5781de38ce21c8be6e76d2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2088e10ffc713205d1c573848089a7c71ade9eafd70c46cf2b4974759c7becdc",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2020-06-03T20:20:21Z",
    "title_canon_sha256": "daf2972394a89c22cf6e0ce5f2222c15f2928e66c68397a96ab43af0eede9be2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.02509",
    "kind": "arxiv",
    "version": 1
  }
}