Pith Number

pith:QLCAUDPH

pith:2017:QLCAUDPH5GKDALSUKB4UDBBB5V

not attested not anchored not stored refs pending

Composing Differential Privacy and Secure Computation: A case study on scaling private record linkage

Ashwin Machanavajjhala, Cheryl Flynn, Divesh Srivastava, Xi He

arxiv:1702.00535 v4 · 2017-02-02 · cs.DB · 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{QLCAUDPH5GKDALSUKB4UDBBB5V}

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	2026-05-18T00:36:14.274478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82c40a0de7e994302e545079418421ed414277c12570fc8d1c17a3ad09d3264f

Aliases

arxiv: 1702.00535 · arxiv_version: 1702.00535v4 · doi: 10.48550/arxiv.1702.00535 · pith_short_12: QLCAUDPH5GKD · pith_short_16: QLCAUDPH5GKDALSU · pith_short_8: QLCAUDPH

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/QLCAUDPH5GKDALSUKB4UDBBB5V \
  | 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: 82c40a0de7e994302e545079418421ed414277c12570fc8d1c17a3ad09d3264f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ff090303c16d3638020ff4e381fbbdaeaf99a43e3fd2ce1199b5d867383761e",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2017-02-02T03:57:52Z",
    "title_canon_sha256": "01784fbce17d2e8bee94881de9fa9a274d8cc5835a50ad5e45fc52774f04a17b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.00535",
    "kind": "arxiv",
    "version": 4
  }
}