Pith Number

pith:QPO357Q4

pith:2022:QPO357Q4TQEAYZWCCJCEQLZK7Q

not attested not anchored not stored refs pending

Federated Unlearning for On-Device Recommendation

Fangzhao Wu, Hao Wang, Hongzhi Yin, Shijie Zhang, Tieke He, Wei Yuan

arxiv:2210.10958 v2 · 2022-10-20 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QPO357Q4TQEAYZWCCJCEQLZK7Q}

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	2026-07-05T05:22:11.814743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83ddbefe1c9c080c66c21244482f2afc2669ca162f40e26411b84afdbff2d8e3

Aliases

arxiv: 2210.10958 · arxiv_version: 2210.10958v2 · doi: 10.48550/arxiv.2210.10958 · pith_short_12: QPO357Q4TQEA · pith_short_16: QPO357Q4TQEAYZWC · pith_short_8: QPO357Q4

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/QPO357Q4TQEAYZWCCJCEQLZK7Q \
  | 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: 83ddbefe1c9c080c66c21244482f2afc2669ca162f40e26411b84afdbff2d8e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe924637f3ffc5d96e72c1d5c54ef6a66ecf2163c871ed369143902301d75a08",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2022-10-20T01:59:34Z",
    "title_canon_sha256": "bf4a535fe0721bfbf6776de9088dd069cbb2583b715a3dfa86540b6716abecfd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.10958",
    "kind": "arxiv",
    "version": 2
  }
}