Pith Number

pith:7H5J6IZC

pith:2025:7H5J6IZCMSOBVZV35JOVO7FYL6

not attested not anchored not stored refs pending

Learning to Erase Private Knowledge from Multi-Documents for Retrieval-Augmented Large Language Models

Binghui Guo, Hainan Zhang, Hongwei Zheng, Jinwen Chen, Liang Pang, Yongxin Tong, Yujing Wang, Zhiming Zheng

arxiv:2504.09910 v2 · 2025-04-14 · 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{7H5J6IZCMSOBVZV35JOVO7FYL6}

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	2026-06-25T01:17:44.346495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9fa9f2322649c1ae6bbea5d577cb85f8db3b3ade7bc2823780f50fc0aa43f7f

Aliases

arxiv: 2504.09910 · arxiv_version: 2504.09910v2 · doi: 10.48550/arxiv.2504.09910 · pith_short_12: 7H5J6IZCMSOB · pith_short_16: 7H5J6IZCMSOBVZV3 · pith_short_8: 7H5J6IZC

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/7H5J6IZCMSOBVZV35JOVO7FYL6 \
  | 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: f9fa9f2322649c1ae6bbea5d577cb85f8db3b3ade7bc2823780f50fc0aa43f7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac8e457090135a199610cbf9c450e423006873af9f151716505aae81f355aed6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-04-14T06:10:31Z",
    "title_canon_sha256": "6d17c8c69b186b2872fb7b83da61453c83dc1573cb968787041a7e5afafd871f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.09910",
    "kind": "arxiv",
    "version": 2
  }
}