pith. sign in
Pith Number

pith:O4UOO55R

pith:2020:O4UOO55RGZ5AYROXD3RTXO3MXF
not attested not anchored not stored refs pending

Design and Analysis of Uplink and Downlink Communications for Federated Learning

Cong Shen, Sihui Zheng, Xiang Chen

arxiv:2012.04057 v1 · 2020-12-07 · cs.IT · cs.LG · eess.SP · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{O4UOO55RGZ5AYROXD3RTXO3MXF}

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 2026-07-05T01:57:37.790098Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7728e777b1367a0c45d71ee33bbb6cb9583ca6a77d1b89661d63ab0c101d2cb0

Aliases

arxiv: 2012.04057 · arxiv_version: 2012.04057v1 · doi: 10.48550/arxiv.2012.04057 · pith_short_12: O4UOO55RGZ5A · pith_short_16: O4UOO55RGZ5AYROX · pith_short_8: O4UOO55R
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/O4UOO55RGZ5AYROXD3RTXO3MXF \
  | 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: 7728e777b1367a0c45d71ee33bbb6cb9583ca6a77d1b89661d63ab0c101d2cb0
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0a08cd689538f604bcfb82ed111682e7e4b25b537c611adb08e382fa7134b4b8",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2020-12-07T21:01:11Z",
    "title_canon_sha256": "fdb79814e010651af849d1c549bdbd5e742042e170c12824ac42e4e7b3909aba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.04057",
    "kind": "arxiv",
    "version": 1
  }
}