Pith Number

pith:7BNR6P7H

pith:2018:7BNR6P7HT6KPOSXLEYWJSPBW5T

not attested not anchored not stored refs pending

Wasserstein variational gradient descent: From semi-discrete optimal transport to ensemble variational inference

Luca Ambrogioni, Marcel van Gerven, Umut Guclu

arxiv:1811.02827 v2 · 2018-11-07 · 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{7BNR6P7HT6KPOSXLEYWJSPBW5T}

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	2026-05-17T23:46:09.378539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f85b1f3fe79f94f74aeb262c993c36ece0a32c9377dd259c98f1cfc45e04ac69

Aliases

arxiv: 1811.02827 · arxiv_version: 1811.02827v2 · doi: 10.48550/arxiv.1811.02827 · pith_short_12: 7BNR6P7HT6KP · pith_short_16: 7BNR6P7HT6KPOSXL · pith_short_8: 7BNR6P7H

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/7BNR6P7HT6KPOSXLEYWJSPBW5T \
  | 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: f85b1f3fe79f94f74aeb262c993c36ece0a32c9377dd259c98f1cfc45e04ac69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17028ad134cd074f7fccd3856fbb2d6bb26ddb8c20a826cdd9fa7d3aabc60428",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-11-07T10:50:40Z",
    "title_canon_sha256": "01f1ee12c307270eead399149de4b87a40a3604e986016465998919ba8b8f42d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02827",
    "kind": "arxiv",
    "version": 2
  }
}