Pith Number

pith:RVAO3WRK

pith:2020:RVAO3WRK6MTEA3RQASZBN65BMS

not attested not anchored not stored refs pending

Approximate Data Deletion from Machine Learning Models

James Zou, Kamalika Chaudhuri, Mary Anne Smart, Zachary Izzo

arxiv:2002.10077 v2 · 2020-02-24 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RVAO3WRK6MTEA3RQASZBN65BMS}

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

1 paper in Pith

Towards Reliable Testing of Machine Unlearning

Receipt and verification

First computed	2026-07-05T02:17:20.375700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d40edda2af326406e3004b216fba164bfbfc1c55b47e1797be82602d2226cf4

Aliases

arxiv: 2002.10077 · arxiv_version: 2002.10077v2 · doi: 10.48550/arxiv.2002.10077 · pith_short_12: RVAO3WRK6MTE · pith_short_16: RVAO3WRK6MTEA3RQ · pith_short_8: RVAO3WRK

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/RVAO3WRK6MTEA3RQASZBN65BMS \
  | 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: 8d40edda2af326406e3004b216fba164bfbfc1c55b47e1797be82602d2226cf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a914c136e9423fe335c7ddb61241ef28b1ba51334bab3017ee8c5b1f1ce07a29",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-02-24T05:12:03Z",
    "title_canon_sha256": "e09abb2ea501dd5a1e3db8ac2e49e2e7b2c6ed00732276da7fb4d7b15cb6ce4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.10077",
    "kind": "arxiv",
    "version": 2
  }
}