Pith Number

pith:OX4AW57K

pith:2021:OX4AW57KZERD55BDHGEIRR3BCU

not attested not anchored not stored refs pending

Federated Unlearning via Class-Discriminative Pruning

Heng Qi, Junxiao Wang, Song Guo, Xin Xie

arxiv:2110.11794 v3 · 2021-10-22 · cs.CV · cs.CR · cs.DC · 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{OX4AW57KZERD55BDHGEIRR3BCU}

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	2026-07-05T03:52:32.230082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75f80b77eac9223ef423398888c761151aa41409ccae0bdd5975261beafb42c9

Aliases

arxiv: 2110.11794 · arxiv_version: 2110.11794v3 · doi: 10.48550/arxiv.2110.11794 · pith_short_12: OX4AW57KZERD · pith_short_16: OX4AW57KZERD55BD · pith_short_8: OX4AW57K

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/OX4AW57KZERD55BDHGEIRR3BCU \
  | 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: 75f80b77eac9223ef423398888c761151aa41409ccae0bdd5975261beafb42c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "368b7e49edb96db10efcb8d6dcc14298934b221a131ba21acfd9371bb8243a79",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.DC",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-10-22T14:01:42Z",
    "title_canon_sha256": "7948fe00eef0467626c0749e10a43413f3899281b1d4761825248e1c40b7034b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.11794",
    "kind": "arxiv",
    "version": 3
  }
}