Pith Number

pith:ZQFLV32U

pith:2026:ZQFLV32UKKDWFIRS3Z3ROBMQ5E

not attested not anchored not stored refs pending

Auditing Apple's DifferentialPrivacy.framework: Implementation Bugs, Misconfigurations, and Practical Risks

Ergute Bao, Rishav Chourasia, Uzair Javaid, Xiaokui Xiao

arxiv:2605.21378 v1 · 2026-05-20 · cs.CR · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZQFLV32UKKDWFIRS3Z3ROBMQ5E}

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	2026-05-21T02:05:31.780763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc0abaef54528762a232de77170590e90c475be448588b421d769b37ee99ca9c

Aliases

arxiv: 2605.21378 · arxiv_version: 2605.21378v1 · doi: 10.48550/arxiv.2605.21378 · pith_short_12: ZQFLV32UKKDW · pith_short_16: ZQFLV32UKKDWFIRS · pith_short_8: ZQFLV32U

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/ZQFLV32UKKDWFIRS3Z3ROBMQ5E \
  | 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: cc0abaef54528762a232de77170590e90c475be448588b421d769b37ee99ca9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d327927b7852dbebd4ffe4ab99e1628e04f73b6e91a034be302cac4ec681472",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-05-20T16:40:02Z",
    "title_canon_sha256": "32153e26abd0a02030336158e8b110cac2da6638d4c31d679ab22bad0219b930"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21378",
    "kind": "arxiv",
    "version": 1
  }
}