Pith Number

pith:LQIP6QM6

pith:2026:LQIP6QM6LOLEKYWKSPDOD424S4

not attested not anchored not stored refs pending

P$^2$RAG: Efficient Privacy-Preserving RAG Service Supporting Arbitrary Top-$k$ Retrieval

Cong Wang, Jie Xu, Jijia Yang, Mingyue Wang, Xiaohua Jia, Yulong Ming, Zihan Wu

arxiv:2603.14778 v2 · 2026-03-16 · cs.CR · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LQIP6QM6LOLEKYWKSPDOD424S4}

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	2026-05-29T01:05:07.048217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c10ff419e5b964562ca93c6e1f35c9714299d729a8a013bf6f1705533ee65fe

Aliases

arxiv: 2603.14778 · arxiv_version: 2603.14778v2 · doi: 10.48550/arxiv.2603.14778 · pith_short_12: LQIP6QM6LOLE · pith_short_16: LQIP6QM6LOLEKYWK · pith_short_8: LQIP6QM6

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/LQIP6QM6LOLEKYWKSPDOD424S4 \
  | 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: 5c10ff419e5b964562ca93c6e1f35c9714299d729a8a013bf6f1705533ee65fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4357a113978531b71efd1b74685ee788195a7c772bb1720b848293692ac4c62b",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-03-16T03:19:39Z",
    "title_canon_sha256": "0d7c1d085316c825c8383763ade0c9bd4f429618691163fcdbcdc2c6fc0ef39d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.14778",
    "kind": "arxiv",
    "version": 2
  }
}