Pith Number

pith:6ANASBIH

pith:2022:6ANASBIHNJLWFODTNQSBAOGKAC

not attested not anchored not stored refs pending

Proof of Unlearning: Definitions and Instantiation

Cong Wang, Jian Weng, Jiasi Weng, Junjie Huang, Shenglong Yao, Yuefeng Du

arxiv:2210.11334 v2 · 2022-10-20 · 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{6ANASBIHNJLWFODTNQSBAOGKAC}

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.

Cited by

2 papers in Pith

Verification of Machine Unlearning is Fragile

Detecting Pretraining Data from Large Language Models

Receipt and verification

First computed	2026-07-05T05:08:53.884713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f01a0905076a5762b8736c241038ca00b6485730e24e6f68ad909886d8d6f54b

Aliases

arxiv: 2210.11334 · arxiv_version: 2210.11334v2 · doi: 10.48550/arxiv.2210.11334 · pith_short_12: 6ANASBIHNJLW · pith_short_16: 6ANASBIHNJLWFODT · pith_short_8: 6ANASBIH

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/6ANASBIHNJLWFODTNQSBAOGKAC \
  | 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: f01a0905076a5762b8736c241038ca00b6485730e24e6f68ad909886d8d6f54b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4517603fb3b12ec515ae4bc75e564841961afa5667f862de50bc9231d718abb1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2022-10-20T15:12:19Z",
    "title_canon_sha256": "7da8074afb24b6c3a775cdc5f70861b35714b4bb8bd8569145de8d2eed7f31e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.11334",
    "kind": "arxiv",
    "version": 2
  }
}