Pith Number

pith:B2Y57GN4

pith:2025:B2Y57GN4AL56KISNNQQLJMCGRY

not attested not anchored not stored refs pending

Unlearning Isn't Invisible: Detecting Unlearning Traces in LLMs from Model Outputs

Qing Qu, Sijia Liu, Soumyadeep Pal, Yimeng Zhang, Yiwei Chen

arxiv:2506.14003 v5 · 2025-06-16 · 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{B2Y57GN4AL56KISNNQQLJMCGRY}

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	2026-06-02T01:03:32.232257Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0eb1df99bc02fbe5224d6c20b4b0468e2381bb0702efe59515c1a93af2b89b4b

Aliases

arxiv: 2506.14003 · arxiv_version: 2506.14003v5 · doi: 10.48550/arxiv.2506.14003 · pith_short_12: B2Y57GN4AL56 · pith_short_16: B2Y57GN4AL56KISN · pith_short_8: B2Y57GN4

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/B2Y57GN4AL56KISNNQQLJMCGRY \
  | 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: 0eb1df99bc02fbe5224d6c20b4b0468e2381bb0702efe59515c1a93af2b89b4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23536a3c9c9622927853887cfaac9a63c47e589c7cb73955ee3a37b3e1f794e2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-06-16T21:03:51Z",
    "title_canon_sha256": "14b5e7d964b5bb8f60a50c76d450e7cf09894feecb61a8450374dc7ecc228f9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.14003",
    "kind": "arxiv",
    "version": 5
  }
}