Pith Number

pith:4YNMK6E6

pith:2024:4YNMK6E62G6TKL3X3RCE3MY7CJ

not attested not anchored not stored refs pending

The Boy Who Survived: Removing Harry Potter from an LLM is harder than reported

Adam Shostack

arxiv:2403.12082 v1 · 2024-03-06 · cs.CL · cs.AI · 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{4YNMK6E62G6TKL3X3RCE3MY7CJ}

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.

Cited by

1 paper in Pith

Targeted Forgetting of Image Subgroups in CLIP Models

Receipt and verification

First computed	2026-07-05T07:57:55.103571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e61ac5789ed1bd352f77dc444db31f1242ca7ec1b6a7e0e0e930c7e142b8f385

Aliases

arxiv: 2403.12082 · arxiv_version: 2403.12082v1 · doi: 10.48550/arxiv.2403.12082 · pith_short_12: 4YNMK6E62G6T · pith_short_16: 4YNMK6E62G6TKL3X · pith_short_8: 4YNMK6E6

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/4YNMK6E62G6TKL3X3RCE3MY7CJ \
  | 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: e61ac5789ed1bd352f77dc444db31f1242ca7ec1b6a7e0e0e930c7e142b8f385

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c45b1b0f903ee32ea4dbb6498ad5fb3892ac7445c595e1897bf331ca51fa9774",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2024-03-06T16:39:50Z",
    "title_canon_sha256": "167daee7f3546d081e858a773853209abe3280153c86d974b8cf366a98770ede"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.12082",
    "kind": "arxiv",
    "version": 1
  }
}