Pith Number

pith:ZT2PSDAW

pith:2026:ZT2PSDAW2YAMPUUNX6LBLNXAEC

not attested not anchored not stored refs pending

Rethinking Federated Unlearning via the Lens of Memorization

Chao Chen, He Zhang, Jiaheng Wei, Jun Zhang, Kok-Leong Ong, Leo Yu Zhang, Yang Xiang, Yanjun Zhang

arxiv:2605.24545 v1 · 2026-05-23 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZT2PSDAW2YAMPUUNX6LBLNXAEC}

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	2026-05-26T01:03:45.670664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccf4f90c16d600c7d28dbf9615b6e02089b4cbfa0d822af7282075d5e1d70fcd

Aliases

arxiv: 2605.24545 · arxiv_version: 2605.24545v1 · doi: 10.48550/arxiv.2605.24545 · pith_short_12: ZT2PSDAW2YAM · pith_short_16: ZT2PSDAW2YAMPUUN · pith_short_8: ZT2PSDAW

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/ZT2PSDAW2YAMPUUNX6LBLNXAEC \
  | 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: ccf4f90c16d600c7d28dbf9615b6e02089b4cbfa0d822af7282075d5e1d70fcd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8ae76842acfca0f9e28cd216fb4aebbc39a9117d570f581e8ec5d06cb0d8902",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-23T12:25:50Z",
    "title_canon_sha256": "eeadaefc8b6c645c37c9261e74fbc5dc5ae2c8499c0b03ef4c64ab58d246be2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.24545",
    "kind": "arxiv",
    "version": 1
  }
}