Pith Number

pith:7IJUXCPW

pith:2020:7IJUXCPWAJ4WSTDTENG3PZFLM6

not attested not anchored not stored refs pending

Uncertainty Principle for Communication Compression in Distributed and Federated Learning and the Search for an Optimal Compressor

Egor Shulgin, Mher Safaryan, Peter Richt\'arik

arxiv:2002.08958 v3 · 2020-02-20 · cs.LG · cs.DC · cs.IT · math.IT · math.OC · 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{7IJUXCPWAJ4WSTDTENG3PZFLM6}

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	2026-07-05T02:36:43.386306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa134b89f60279694c73234db7e4ab67aba423c41ec54094f0c48fb97fbe09aa

Aliases

arxiv: 2002.08958 · arxiv_version: 2002.08958v3 · doi: 10.48550/arxiv.2002.08958 · pith_short_12: 7IJUXCPWAJ4W · pith_short_16: 7IJUXCPWAJ4WSTDT · pith_short_8: 7IJUXCPW

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/7IJUXCPWAJ4WSTDTENG3PZFLM6 \
  | 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: fa134b89f60279694c73234db7e4ab67aba423c41ec54094f0c48fb97fbe09aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4803a169e22d75e3f8606bc120e82dd92a127581e3835712d3504ab80ec92c28",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.IT",
      "math.IT",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-02-20T17:20:51Z",
    "title_canon_sha256": "992faec914e41953c52520ec7e6e3e981783af850556b3733d87f28ba6b509ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.08958",
    "kind": "arxiv",
    "version": 3
  }
}