Pith Number

pith:EHTU3OKE

pith:2020:EHTU3OKEPRR37CK2THD6M5XNW6

not attested not anchored not stored refs pending

Distributed Non-Convex Optimization with Sublinear Speedup under Intermittent Client Availability

Chaoyue Niu, Fan Wu, Guihai Chen, Shaojie Tang, Yikai Yan, Yucheng Ding, Zhenzhe Zheng, Zhihua Wu

arxiv:2002.07399 v3 · 2020-02-18 · stat.ML · cs.DC · cs.LG · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EHTU3OKEPRR37CK2THD6M5XNW6}

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	2026-07-05T06:47:09.752262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21e74db9447c63bf895a99c7e676edb7a65879282ba429df69b0afb8a7560893

Aliases

arxiv: 2002.07399 · arxiv_version: 2002.07399v3 · doi: 10.48550/arxiv.2002.07399 · pith_short_12: EHTU3OKEPRR3 · pith_short_16: EHTU3OKEPRR37CK2 · pith_short_8: EHTU3OKE

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/EHTU3OKEPRR37CK2THD6M5XNW6 \
  | 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: 21e74db9447c63bf895a99c7e676edb7a65879282ba429df69b0afb8a7560893

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2433af977fe025e81a21f0897f32f8809115cacb4e4559117ae9e9728ec04b5",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.LG",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2020-02-18T06:32:18Z",
    "title_canon_sha256": "b721db33d3f818d20bdba28f70bc3aa49561e42f63cede5cf84c859429d204f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.07399",
    "kind": "arxiv",
    "version": 3
  }
}