Pith Number

pith:NLRYKG5R

pith:2020:NLRYKG5RSNQC5A7PFKGX4JJXMG

not attested not anchored not stored refs pending

DP-Cryptography: Marrying Differential Privacy and Cryptography in Emerging Applications

Ashwin Machanavajjhala, Prateek Mittal, Sameer Wagh, Xi He

arxiv:2004.08887 v1 · 2020-04-19 · 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{NLRYKG5RSNQC5A7PFKGX4JJXMG}

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	2026-07-05T00:56:11.057980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ae3851bb193602e83ef2a8d7e253761be19835074bb38443406d004a1436db4

Aliases

arxiv: 2004.08887 · arxiv_version: 2004.08887v1 · doi: 10.48550/arxiv.2004.08887 · pith_short_12: NLRYKG5RSNQC · pith_short_16: NLRYKG5RSNQC5A7P · pith_short_8: NLRYKG5R

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/NLRYKG5RSNQC5A7PFKGX4JJXMG \
  | 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: 6ae3851bb193602e83ef2a8d7e253761be19835074bb38443406d004a1436db4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "647535c2747662ed7b519b8e1f5c3eaf093d31fd078a4ad65461913072aa5a49",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2020-04-19T16:01:03Z",
    "title_canon_sha256": "d0ea1344cae7b6bb778e49a37a6c4fe5f0f4fe9871ae2ce8a2723116bba19f08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.08887",
    "kind": "arxiv",
    "version": 1
  }
}