Pith Number

pith:CVNH6P4K

pith:2025:CVNH6P4KFD5WI4OX3QY5XEYD26

not attested not anchored not stored refs pending

Privacy-Utility Trade-off in Data Publication: A Bilevel Optimization Framework with Curvature-Guided Perturbation

Guangquan Zhang, Hua Zuo, Jie Lu, Yi Yin

arxiv:2509.02048 v1 · 2025-09-02 · cs.LG · cs.AI · 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{CVNH6P4KFD5WI4OX3QY5XEYD26}

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	2026-07-05T12:03:13.616374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

155a7f3f8a28fb6471d7dc31db9303d7ace7d978f14497c63b492788ac44a346

Aliases

arxiv: 2509.02048 · arxiv_version: 2509.02048v1 · doi: 10.48550/arxiv.2509.02048 · pith_short_12: CVNH6P4KFD5W · pith_short_16: CVNH6P4KFD5WI4OX · pith_short_8: CVNH6P4K

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/CVNH6P4KFD5WI4OX3QY5XEYD26 \
  | 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: 155a7f3f8a28fb6471d7dc31db9303d7ace7d978f14497c63b492788ac44a346

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfb0e7e7d233ac94ef81bfd6683209ef6bbf64df7b2ad0d7dede512758d8ab3e",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-09-02T07:44:21Z",
    "title_canon_sha256": "95562fd779d70f4812c0a4b81ff6a0ca2bcdf82c3c87f4bc4046cf4f911dd4eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.02048",
    "kind": "arxiv",
    "version": 1
  }
}