Pith Number

pith:DGH5BTWS

pith:2025:DGH5BTWS7UMIKWWGHNKE3WP5F7

not attested not anchored not stored refs pending

Verifiably Forgotten? Gradient Differences Still Enable Data Reconstruction in Federated Unlearning

Fuyao Zhang, Wei Yang Bryan Lim, Wenjie Li, Xinyu Yan, Yang Cao, Yurong Hao

arxiv:2505.11097 v1 · 2025-05-16 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DGH5BTWS7UMIKWWGHNKE3WP5F7}

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	2026-07-05T11:04:10.747082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

198fd0ced2fd18855ac63b544dd9fd2ffdef64871b24eba1848fa6469f7cd012

Aliases

arxiv: 2505.11097 · arxiv_version: 2505.11097v1 · doi: 10.48550/arxiv.2505.11097 · pith_short_12: DGH5BTWS7UMI · pith_short_16: DGH5BTWS7UMIKWWG · pith_short_8: DGH5BTWS

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/DGH5BTWS7UMIKWWGHNKE3WP5F7 \
  | 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: 198fd0ced2fd18855ac63b544dd9fd2ffdef64871b24eba1848fa6469f7cd012

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33e365835cf6e0a2914d81eab0e69f354ebfa50319794cfbe36063ee78d04564",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-05-16T10:28:30Z",
    "title_canon_sha256": "ad0af70181cacfba2c0f35d6c67cb9a6f8dbd32e2d8f7d8cd2e514c227737d6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.11097",
    "kind": "arxiv",
    "version": 1
  }
}