Pith Number

pith:37PUENHS

pith:2022:37PUENHSJ6SAZAT2QRJ7Q5GXM3

not attested not anchored not stored refs pending

On Noisy Evaluation in Federated Hyperparameter Tuning

Ameet Talwalkar, Daniel Jiang, John Nguyen, Kevin Kuo, Mikhail Khodak, Pratiksha Thaker, Virginia Smith

arxiv:2212.08930 v4 · 2022-12-17 · 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{37PUENHSJ6SAZAT2QRJ7Q5GXM3}

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	2026-07-05T06:09:47.210943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfdf4234f24fa40c827a8453f874d766cc5d880c26605372a499046b00f0721f

Aliases

arxiv: 2212.08930 · arxiv_version: 2212.08930v4 · doi: 10.48550/arxiv.2212.08930 · pith_short_12: 37PUENHSJ6SA · pith_short_16: 37PUENHSJ6SAZAT2 · pith_short_8: 37PUENHS

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/37PUENHSJ6SAZAT2QRJ7Q5GXM3 \
  | 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: dfdf4234f24fa40c827a8453f874d766cc5d880c26605372a499046b00f0721f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ad320345861bbd4e004b919989cc56a3ccf89e3ddb2574edd34455aa69a3991",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-12-17T18:51:00Z",
    "title_canon_sha256": "1008c3470713c20fb296b5fde2f995da9717643d5e7e614386dacef37e380f27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.08930",
    "kind": "arxiv",
    "version": 4
  }
}