Pith Number

pith:WXXU2KOJ

pith:2026:WXXU2KOJJBXPKVMW5GPWCZ7WHT

not attested not anchored not stored refs pending

Near-Optimal Pure Machine Unlearning for Smooth Strongly Convex Losses

Andrew Lowy, Gautam Kamath, Matthew Regehr

arxiv:2606.01527 v1 · 2026-06-01 · cs.LG · 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{WXXU2KOJJBXPKVMW5GPWCZ7WHT}

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	2026-06-02T02:04:35.616206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5ef4d29c9486ef55596e99f6167f63ce148ec2260e7b6913e0306797ffa7555

Aliases

arxiv: 2606.01527 · arxiv_version: 2606.01527v1 · doi: 10.48550/arxiv.2606.01527 · pith_short_12: WXXU2KOJJBXP · pith_short_16: WXXU2KOJJBXPKVMW · pith_short_8: WXXU2KOJ

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/WXXU2KOJJBXPKVMW5GPWCZ7WHT \
  | 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: b5ef4d29c9486ef55596e99f6167f63ce148ec2260e7b6913e0306797ffa7555

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22c9b623771c3ac14c281ccd5f83dfdc9370993f7413ae43facced90eb18a169",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-01T01:19:04Z",
    "title_canon_sha256": "0682497759bfd424ec0fcc6114b4279c208aca7ed82c839320b0e702afb9a93b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.01527",
    "kind": "arxiv",
    "version": 1
  }
}