Pith Number

pith:2USB57GE

pith:2026:2USB57GE32YLOQF2UYUGXRIF53

not attested not anchored not stored refs pending

Is External Database Protection Static in Retrieval-Augmented Generation? Rethinking Privacy Preservation under Dynamic Queries

Gang Zhang, Jinyan Liu, Mingyu Tian, Xukun Luan, Yuanchi Ma

arxiv:2607.14811 v1 · 2026-07-16 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2USB57GE32YLOQF2UYUGXRIF53}

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	2026-07-17T01:21:32.482308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5241efcc4deb0b740baa6286bc505eefe31c91c65453a8f0fe3b94e63a5d18a

Aliases

arxiv: 2607.14811 · arxiv_version: 2607.14811v1 · doi: 10.48550/arxiv.2607.14811 · pith_short_12: 2USB57GE32YL · pith_short_16: 2USB57GE32YLOQF2 · pith_short_8: 2USB57GE

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/2USB57GE32YLOQF2UYUGXRIF53 \
  | 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: d5241efcc4deb0b740baa6286bc505eefe31c91c65453a8f0fe3b94e63a5d18a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "538385d3d627654eb8aae9f913a34a4ef18339cdebefc8324dae96cefbd6d86b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-07-16T10:28:23Z",
    "title_canon_sha256": "a481cb3bbdbe1178475e3916a9113f4983cf46e05d2fbd26b74598be481735aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.14811",
    "kind": "arxiv",
    "version": 1
  }
}