Pith Number

pith:2GQHPU2K

pith:2025:2GQHPU2KD463HQB46HCHFCJBM7

not attested not anchored not stored refs pending

Machine Unlearning via Information Theoretic Regularization

Shizhou Xu, Thomas Strohmer

arxiv:2502.05684 v5 · 2025-02-08 · cs.LG · cs.AI · cs.IT · math.IT · 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{2GQHPU2KD463HQB46HCHFCJBM7}

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	2026-07-07T02:19:37.341784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1a077d34a1f3db3c03cf1c472892167c2207ef5310f0b00ad02fe1e3f65c74f

Aliases

arxiv: 2502.05684 · arxiv_version: 2502.05684v5 · doi: 10.48550/arxiv.2502.05684 · pith_short_12: 2GQHPU2KD463 · pith_short_16: 2GQHPU2KD463HQB4 · pith_short_8: 2GQHPU2K

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/2GQHPU2KD463HQB46HCHFCJBM7 \
  | 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: d1a077d34a1f3db3c03cf1c472892167c2207ef5310f0b00ad02fe1e3f65c74f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c25801580ed716e9c61aff20873a1d23adcfa14c784acf9b9c2ea71b7c8fc314",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IT",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-02-08T20:33:06Z",
    "title_canon_sha256": "3ddeac2d68c276282f51de153a32a090d94c793b02fa4e47bd28d2e181fb4ea1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.05684",
    "kind": "arxiv",
    "version": 5
  }
}