Pith Number

pith:43SPMVPZ

pith:2019:43SPMVPZ5HXQLTTKKYEX7ILCAH

not attested not anchored not stored refs pending

Proving Differential Privacy with Shadow Execution

Danfeng Zhang, Daniel Kifer, Guanhong Wang, Yuxin Wang, Zeyu Ding

arxiv:1903.12254 v2 · 2019-03-28 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{43SPMVPZ5HXQLTTKKYEX7ILCAH}

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	2026-05-17T23:41:53.236429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6e4f655f9e9ef05ce6a56097fa16201e396bedd59b35060e78c03116b54ecf4

Aliases

arxiv: 1903.12254 · arxiv_version: 1903.12254v2 · doi: 10.48550/arxiv.1903.12254 · pith_short_12: 43SPMVPZ5HXQ · pith_short_16: 43SPMVPZ5HXQLTTK · pith_short_8: 43SPMVPZ

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/43SPMVPZ5HXQLTTKKYEX7ILCAH \
  | 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: e6e4f655f9e9ef05ce6a56097fa16201e396bedd59b35060e78c03116b54ecf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92868226facf7b84fc76115d8c88d3031442f4ce121a172f9bc6dd5468271134",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2019-03-28T20:39:54Z",
    "title_canon_sha256": "e49fb4dc3396d5394e11aaafe47d4878a07d1b5f04acc112d48bec8c785970a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.12254",
    "kind": "arxiv",
    "version": 2
  }
}