Pith Number

pith:5A4JHR7Z

pith:2025:5A4JHR7Z437M2Y54SE7A3HS6XO

not attested not anchored not stored refs pending

Tight Privacy Audit in One Run

Di Wang, Hanshen Xiao, Tianhao Wang, Yuan Tian, Zihang Xiang

arxiv:2509.08704 v1 · 2025-09-10 · 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{5A4JHR7Z437M2Y54SE7A3HS6XO}

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

Let's Ask Gauss: Improved One-Run Privacy Auditing

Rethinking the Security of DP-SGD: A Corrected Analysis of Differentially Private Machine Learning

Receipt and verification

First computed	2026-07-05T12:08:34.544124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e83893c7f9e6fecd63bc913e0d9e5ebb948be0e50ef15761050803cd9e2715aa

Aliases

arxiv: 2509.08704 · arxiv_version: 2509.08704v1 · doi: 10.48550/arxiv.2509.08704 · pith_short_12: 5A4JHR7Z437M · pith_short_16: 5A4JHR7Z437M2Y54 · pith_short_8: 5A4JHR7Z

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/5A4JHR7Z437M2Y54SE7A3HS6XO \
  | 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: e83893c7f9e6fecd63bc913e0d9e5ebb948be0e50ef15761050803cd9e2715aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bba97581c43facfbdfa7aa392bb46cf83ab46e4d541af0c9b7ef9373a6ade116",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-09-10T15:55:03Z",
    "title_canon_sha256": "06862893b8fc813a7a328edd3ddb1621d97fded458657a166fe1d006f5cfba8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.08704",
    "kind": "arxiv",
    "version": 1
  }
}