Pith Number

pith:ZLIBQEPT

pith:2020:ZLIBQEPTY344SK6CVQZ2EG7ERK

not attested not anchored not stored refs pending

Distributed Gaussian Mean Estimation under Communication Constraints: Optimal Rates and Communication-Efficient Algorithms

Hongji Wei, T. Tony Cai

arxiv:2001.08877 v1 · 2020-01-24 · math.ST · cs.DC · cs.IT · cs.LG · math.IT · stat.ML · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZLIBQEPTY344SK6CVQZ2EG7ERK}

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	2026-07-05T00:39:16.670082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cad01811f3c6f9c92bc2ac33a21be48aba00baf15687e17d7064638b9be9e532

Aliases

arxiv: 2001.08877 · arxiv_version: 2001.08877v1 · doi: 10.48550/arxiv.2001.08877 · pith_short_12: ZLIBQEPTY344 · pith_short_16: ZLIBQEPTY344SK6C · pith_short_8: ZLIBQEPT

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/ZLIBQEPTY344SK6CVQZ2EG7ERK \
  | 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: cad01811f3c6f9c92bc2ac33a21be48aba00baf15687e17d7064638b9be9e532

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25e52f1655dd14e3a6375443967432ead7110bc5f13fc86882cf80d63a14a6e0",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.IT",
      "cs.LG",
      "math.IT",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2020-01-24T04:19:47Z",
    "title_canon_sha256": "7405cc1f8a2f4ebb151a43745de9328590fca852d20998aee2806471b9826c51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.08877",
    "kind": "arxiv",
    "version": 1
  }
}