Pith Number

pith:GE4YQNMC

pith:2020:GE4YQNMCAGKMJ34NFOGMLI4U2F

not attested not anchored not stored refs pending

Towards Probabilistic Verification of Machine Unlearning

David Marco Sommer, Liwei Song, Prateek Mittal, Sameer Wagh

arxiv:2003.04247 v2 · 2020-03-09 · cs.CR · 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{GE4YQNMCAGKMJ34NFOGMLI4U2F}

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	2026-07-05T01:55:48.211463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31398835820194c4ef8d2b8cc5a394d16cb1cdeb9ac925ab44b27f6e7386dc62

Aliases

arxiv: 2003.04247 · arxiv_version: 2003.04247v2 · doi: 10.48550/arxiv.2003.04247 · pith_short_12: GE4YQNMCAGKM · pith_short_16: GE4YQNMCAGKMJ34N · pith_short_8: GE4YQNMC

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/GE4YQNMCAGKMJ34NFOGMLI4U2F \
  | 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: 31398835820194c4ef8d2b8cc5a394d16cb1cdeb9ac925ab44b27f6e7386dc62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3614ef4b6818aa1f71b6f1acc4652e01ad387167aa629ff4c67113a488224d60",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2020-03-09T16:39:46Z",
    "title_canon_sha256": "ead9017691e98ecb94169a05627fac8e25de1f056dfd86d43531049f1e8a4a9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.04247",
    "kind": "arxiv",
    "version": 2
  }
}