Pith Number

pith:GVSNEILB

pith:2020:GVSNEILBH5V2TP2AGRXLJ6U3JF

not attested not anchored not stored refs pending

Stochastic Saddle-Point Optimization for Wasserstein Barycenters

Alexander Gasnikov, Daniil Tiapkin, Pavel Dvurechensky

arxiv:2006.06763 v3 · 2020-06-11 · math.OC · cs.LG · 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{GVSNEILBH5V2TP2AGRXLJ6U3JF}

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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

Decentralised convex optimisation with probability-proportional-to-size quantization

Receipt and verification

First computed	2026-07-05T03:37:10.579873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3564d221613f6ba9bf40346eb4fa9b494b548c21319c01cd55cafa6381c0e6e1

Aliases

arxiv: 2006.06763 · arxiv_version: 2006.06763v3 · doi: 10.48550/arxiv.2006.06763 · pith_short_12: GVSNEILBH5V2 · pith_short_16: GVSNEILBH5V2TP2A · pith_short_8: GVSNEILB

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/GVSNEILBH5V2TP2AGRXLJ6U3JF \
  | 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: 3564d221613f6ba9bf40346eb4fa9b494b548c21319c01cd55cafa6381c0e6e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1bfdaa0e1181467e88af521e6782b853b7cd1b54f9071919178febd11b1abe8",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2020-06-11T19:40:38Z",
    "title_canon_sha256": "1fa067a45f70dc74e2bd58bff1d32274c17cdd89feb04fbac983a3a400d9b009"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.06763",
    "kind": "arxiv",
    "version": 3
  }
}