Pith Number

pith:I3IDMFCA

pith:2025:I3IDMFCAX6BSW5MMQ37MR4TBLK

not attested not anchored not stored refs pending

A Neuro-inspired Interpretation of Unlearning in Large Language Models through Sample-level Unlearning Difficulty

Chaochao Chen, Chengye Wang, Junlin Liu, Li Zhang, Xiaohua Feng, Yuyuan Li

arxiv:2504.06658 v1 · 2025-04-09 · cs.LG · cs.AI · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I3IDMFCAX6BSW5MMQ37MR4TBLK}

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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	2026-07-05T10:46:43.581763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46d0361440bf832b758c86fec8f2615a8b3e521c5055cbc9c0ddbf85522b8d66

Aliases

arxiv: 2504.06658 · arxiv_version: 2504.06658v1 · doi: 10.48550/arxiv.2504.06658 · pith_short_12: I3IDMFCAX6BS · pith_short_16: I3IDMFCAX6BSW5MM · pith_short_8: I3IDMFCA

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/I3IDMFCAX6BSW5MMQ37MR4TBLK \
  | 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: 46d0361440bf832b758c86fec8f2615a8b3e521c5055cbc9c0ddbf85522b8d66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b423bd57e61050d66d5fda8d51432853bc9b49d99dddc25fdb21f8dc6ee93754",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-04-09T07:48:10Z",
    "title_canon_sha256": "bad97444e49fb3a413129aea679f58990010afb07ddc7e39b5a20eeba13fe6b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.06658",
    "kind": "arxiv",
    "version": 1
  }
}