Pith Number

pith:TA7PCW2Y

pith:2025:TA7PCW2YN7OS6XWV6XW7E6C5Q4

not attested not anchored not stored refs pending

Efficient Machine Unlearning by Model Splitting and Core Sample Selection

Maximilian Egger, Rawad Bitar, R\"udiger Urbanke

arxiv:2505.07026 v1 · 2025-05-11 · 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{TA7PCW2YN7OS6XWV6XW7E6C5Q4}

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	2026-07-05T11:01:40.901445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

983ef15b586fdd2f5ed5f5edf2785d871ba2bbcee2739051eafa4f16e2567fff

Aliases

arxiv: 2505.07026 · arxiv_version: 2505.07026v1 · doi: 10.48550/arxiv.2505.07026 · pith_short_12: TA7PCW2YN7OS · pith_short_16: TA7PCW2YN7OS6XWV · pith_short_8: TA7PCW2Y

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/TA7PCW2YN7OS6XWV6XW7E6C5Q4 \
  | 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: 983ef15b586fdd2f5ed5f5edf2785d871ba2bbcee2739051eafa4f16e2567fff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35c917ab95c1cf0b3150900542713f358c64a1f7fe8192db72b966e15c6e9d02",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-05-11T15:42:11Z",
    "title_canon_sha256": "66402ccce2de3f31c19eb64c305cf100fd64de63be2ebf45f50928b1a9763d46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.07026",
    "kind": "arxiv",
    "version": 1
  }
}