Pith Number

pith:DUUMFKS3

pith:2025:DUUMFKS3MXJP5RFCTPHS2DGPFB

not attested not anchored not stored refs pending

Model Unlearning via Sparse Autoencoder Subspace Guided Projections

Benyou Wang, Difan Zou, Xu Wang, Yan Hu, Zihao Li

arxiv:2505.24428 v1 · 2025-05-30 · cs.CL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DUUMFKS3MXJP5RFCTPHS2DGPFB}

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	2026-07-05T11:12:49.554514Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d28c2aa5b65d2fec4a29bcf2d0ccf284a2b377cd9b0156afe7e5eb7ff22656b

Aliases

arxiv: 2505.24428 · arxiv_version: 2505.24428v1 · doi: 10.48550/arxiv.2505.24428 · pith_short_12: DUUMFKS3MXJP · pith_short_16: DUUMFKS3MXJP5RFC · pith_short_8: DUUMFKS3

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/DUUMFKS3MXJP5RFCTPHS2DGPFB \
  | 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: 1d28c2aa5b65d2fec4a29bcf2d0ccf284a2b377cd9b0156afe7e5eb7ff22656b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdfb1d4bacb891d0760250c6834fbfe6c4d422f9bedf3a0b27b9b061f7ce4a91",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-05-30T10:07:52Z",
    "title_canon_sha256": "e7c3bc6d1acf0a5f8de4f9ac48ec4995b17e18638e037301dc4a98f76c2ef66e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.24428",
    "kind": "arxiv",
    "version": 1
  }
}