Pith Number

pith:QJQIEEXH

pith:2019:QJQIEEXHBUVXDAFVKJVXBV3WRN

not attested not anchored not stored refs pending

The Communication Complexity of Optimization

David P. Woodruff, Ruosong Wang, Santosh S. Vempala

arxiv:1906.05832 v2 · 2019-06-13 · cs.DS · cs.DC · 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{QJQIEEXHBUVXDAFVKJVXBV3WRN}

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	2026-07-05T00:16:04.314197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82608212e70d2b7180b5526b70d7768b4c6e6936d3fe4a35141692a9f5ecaf14

Aliases

arxiv: 1906.05832 · arxiv_version: 1906.05832v2 · doi: 10.48550/arxiv.1906.05832 · pith_short_12: QJQIEEXHBUVX · pith_short_16: QJQIEEXHBUVXDAFV · pith_short_8: QJQIEEXH

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/QJQIEEXHBUVXDAFVKJVXBV3WRN \
  | 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: 82608212e70d2b7180b5526b70d7768b4c6e6936d3fe4a35141692a9f5ecaf14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9e70d79914ffe91f98e2e168d9933f770f0a2ceb68683d515e12d3a1f39340d",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-06-13T17:29:56Z",
    "title_canon_sha256": "4dd13a1efe2a5edf001562b964ba5bb7bb0c587b8aae995a99018b69b58c82ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.05832",
    "kind": "arxiv",
    "version": 2
  }
}