Pith Number

pith:FCFELLSV

pith:2025:FCFELLSVBZSCUT6X4GKOTZBBT4

not attested not anchored not stored refs pending

Unlearning through Knowledge Overwriting: Reversible Federated Unlearning via Selective Sparse Adapter

Jingxuan Zhou, Ji Wang, Lingjuan Lyu, Shuai Zhang, Weidong Bao, Wei Yang Bryan Lim, Zhengyi Zhong

arxiv:2502.20709 v1 · 2025-02-28 · 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{FCFELLSVBZSCUT6X4GKOTZBBT4}

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	2026-07-05T10:21:38.334081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

288a45ae550e642a4fd7e194e9e4219f1d218d9187e5afe15ecaa447faecece5

Aliases

arxiv: 2502.20709 · arxiv_version: 2502.20709v1 · doi: 10.48550/arxiv.2502.20709 · pith_short_12: FCFELLSVBZSC · pith_short_16: FCFELLSVBZSCUT6X · pith_short_8: FCFELLSV

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/FCFELLSVBZSCUT6X4GKOTZBBT4 \
  | 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: 288a45ae550e642a4fd7e194e9e4219f1d218d9187e5afe15ecaa447faecece5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "123dc5eea9802d9a386e7eece96c8725d889ca024bb63c589e363a621ae68fd6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-02-28T04:35:26Z",
    "title_canon_sha256": "e916caaf13e00f41a21b07c8427847019d5431e01343712e0fb9dc80d1f83f3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.20709",
    "kind": "arxiv",
    "version": 1
  }
}