Pith Number

pith:FYZF6GMO

pith:2025:FYZF6GMOGCEBMODXGFLEJ5TZMY

not attested not anchored not stored refs pending

Efficient Data Valuation Approximation in Federated Learning: A Sampling-based Approach

Shuyue Wei, Tianran He, Yi Xu, Yongxin Tong, Zimu Zhou

arxiv:2504.16668 v1 · 2025-04-23 · cs.LG · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FYZF6GMOGCEBMODXGFLEJ5TZMY}

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	2026-07-05T10:53:02.998968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e325f198e3088163877315644f6796617ee0f4dd73ff886201cf2a53bfdd70f

Aliases

arxiv: 2504.16668 · arxiv_version: 2504.16668v1 · doi: 10.48550/arxiv.2504.16668 · pith_short_12: FYZF6GMOGCEB · pith_short_16: FYZF6GMOGCEBMODX · pith_short_8: FYZF6GMO

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/FYZF6GMOGCEBMODXGFLEJ5TZMY \
  | 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: 2e325f198e3088163877315644f6796617ee0f4dd73ff886201cf2a53bfdd70f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98d4f61c25c4ad02c30a195015594fc569459b3650203aa0397cf200942b3014",
    "cross_cats_sorted": [
      "cs.DB"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-04-23T12:36:20Z",
    "title_canon_sha256": "89cf72d6004f4219dc1e3e29c0897bd72553bd4895d67213159a097a7438377a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.16668",
    "kind": "arxiv",
    "version": 1
  }
}