Pith Number

pith:G4SLVPJE

pith:2019:G4SLVPJEOYYKJ5OTBFEPY6G2QX

not attested not anchored not stored refs pending

Hardness of Distributed Optimization

Ami Paz, Dean Leitersdorf, Keren Censor-Hillel, Michal Dory, Nir Bachrach, Yuval Efron

arxiv:1905.10284 v1 · 2019-05-24 · cs.DS · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G4SLVPJEOYYKJ5OTBFEPY6G2QX}

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	2026-05-17T23:45:10.711464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3724babd247630a4f5d30948fc78da85ceb53cbdac117c6ec9effee4427da742

Aliases

arxiv: 1905.10284 · arxiv_version: 1905.10284v1 · doi: 10.48550/arxiv.1905.10284 · pith_short_12: G4SLVPJEOYYK · pith_short_16: G4SLVPJEOYYKJ5OT · pith_short_8: G4SLVPJE

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/G4SLVPJEOYYKJ5OTBFEPY6G2QX \
  | 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: 3724babd247630a4f5d30948fc78da85ceb53cbdac117c6ec9effee4427da742

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25579a23b64013063889d4096365f21b39a0eb5b3fb2584a18412177940da003",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-05-24T15:24:23Z",
    "title_canon_sha256": "03a15a7aca8af49912349a1c42fff4631514fd8d90f67e874ba612846aad1c64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.10284",
    "kind": "arxiv",
    "version": 1
  }
}