Pith Number

pith:ECXTWMWP

pith:2025:ECXTWMWPZSNA3PUFG4D73IRPI5

not attested not anchored not stored refs pending

Proactive Privacy Amnesia for Large Language Models: Safeguarding PII with Negligible Impact on Model Utility

Amin Hass, Aolin Ding, Hai Li, Jianyi Zhang, Jingwei Sun, Jingyang Zhang, Louis DiValentin, Martin Kuo, Minxue Tang, Tianlong Chen, William Chen, Yiran Chen

arxiv:2502.17591 v2 · 2025-02-24 · 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{ECXTWMWPZSNA3PUFG4D73IRPI5}

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

2 papers in Pith

Forget What's Sensitive, Remember What Matters: Token-Level Differential Privacy in Memory Sculpting for Continual Learning

Downgrade to Upgrade: Optimizer Simplification Enhances Robustness in LLM Unlearning

Receipt and verification

First computed	2026-07-05T10:28:36.832364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20af3b32cfcc9a0dbe853707fda22f475069548c11498f2616eb776b481aff8e

Aliases

arxiv: 2502.17591 · arxiv_version: 2502.17591v2 · doi: 10.48550/arxiv.2502.17591 · pith_short_12: ECXTWMWPZSNA · pith_short_16: ECXTWMWPZSNA3PUF · pith_short_8: ECXTWMWP

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/ECXTWMWPZSNA3PUFG4D73IRPI5 \
  | 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: 20af3b32cfcc9a0dbe853707fda22f475069548c11498f2616eb776b481aff8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32d9f40b2273ffe4449226c5a9476f83fe093b9893cce86cb1e3593233d5a857",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-02-24T19:16:39Z",
    "title_canon_sha256": "479381d8703af0e9db7fbadb11cfdd28bb0fb78af23414db11390eb90724d406"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.17591",
    "kind": "arxiv",
    "version": 2
  }
}