Pith Number

pith:OS5OLTTH

pith:2020:OS5OLTTHTSUYIQO6F2LRCPWZWL

not attested not anchored not stored refs pending

Dynamic Federated Learning

Ali H. Sayed, Elsa Rizk, Stefan Vlaski

arxiv:2002.08782 v2 · 2020-02-20 · cs.LG · 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{OS5OLTTHTSUYIQO6F2LRCPWZWL}

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	2026-07-05T01:00:16.532530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74bae5ce679ca98441de2e97113ed9b2f587ebe3ec0df1def44d5debb1a9536a

Aliases

arxiv: 2002.08782 · arxiv_version: 2002.08782v2 · doi: 10.48550/arxiv.2002.08782 · pith_short_12: OS5OLTTHTSUY · pith_short_16: OS5OLTTHTSUYIQO6 · pith_short_8: OS5OLTTH

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/OS5OLTTHTSUYIQO6F2LRCPWZWL \
  | 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: 74bae5ce679ca98441de2e97113ed9b2f587ebe3ec0df1def44d5debb1a9536a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5ccd528785ec94bb5ce0f9450425a1a7ce926b4e1181979df0b010613833abd",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-02-20T15:00:54Z",
    "title_canon_sha256": "0eaf63e4a82452fd47c1b00507170b7035d23bded05a7d6602aa082f34646d4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.08782",
    "kind": "arxiv",
    "version": 2
  }
}