Pith Number

pith:UJCYVP7F

pith:2020:UJCYVP7FPXJ4ISVEXOIOVAWDPV

not attested not anchored not stored refs pending

Dualize, Split, Randomize: Toward Fast Nonsmooth Optimization Algorithms

Adil Salim, Konstantin Mishchenko, Laurent Condat, Peter Richt\'arik

arxiv:2004.02635 v4 · 2020-04-03 · 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{UJCYVP7FPXJ4ISVEXOIOVAWDPV}

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	2026-07-05T04:43:17.368650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2458abfe57dd3c44aa4bb90ea82c37d7062edd94f808676a09eef8c367b377c

Aliases

arxiv: 2004.02635 · arxiv_version: 2004.02635v4 · doi: 10.48550/arxiv.2004.02635 · pith_short_12: UJCYVP7FPXJ4 · pith_short_16: UJCYVP7FPXJ4ISVE · pith_short_8: UJCYVP7F

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/UJCYVP7FPXJ4ISVEXOIOVAWDPV \
  | 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: a2458abfe57dd3c44aa4bb90ea82c37d7062edd94f808676a09eef8c367b377c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c779703417260c2e45a2dfef1213996a58b17ac476c48ce570480edf5ff05eeb",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2020-04-03T10:48:01Z",
    "title_canon_sha256": "dd299b4ac77d2ed8c80b4e28a0631cc6c8223ebe317c6808c7786b3c01bec149"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.02635",
    "kind": "arxiv",
    "version": 4
  }
}