Pith Number

pith:4HMZ4ZI2

pith:2019:4HMZ4ZI2CYE7OTIFEM2AAWGQD4

not attested not anchored not stored refs pending

Differentially Private SQL with Bounded User Contribution

Bryant Gipson, Celia Yuxin Zhang, Damien Desfontaines, Daniel Simmons-Marengo, Royce J Wilson, William Lam

arxiv:1909.01917 v3 · 2019-09-04 · cs.CR · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4HMZ4ZI2CYE7OTIFEM2AAWGQD4}

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

1 paper in Pith

DP4SQL: Differentially Private SQL with Flexible Privacy Policies

Receipt and verification

First computed	2026-07-05T00:22:03.635301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1d99e651a1609f74d0523340058d01f2914e52435ab132ba79713320666d9ed

Aliases

arxiv: 1909.01917 · arxiv_version: 1909.01917v3 · doi: 10.48550/arxiv.1909.01917 · pith_short_12: 4HMZ4ZI2CYE7 · pith_short_16: 4HMZ4ZI2CYE7OTIF · pith_short_8: 4HMZ4ZI2

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/4HMZ4ZI2CYE7OTIFEM2AAWGQD4 \
  | 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: e1d99e651a1609f74d0523340058d01f2914e52435ab132ba79713320666d9ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d139f34de0a5222b60d268601eba19a0ebab908ee8a89db158cfdf7f2d35ea00",
    "cross_cats_sorted": [
      "cs.DB"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-09-04T16:14:29Z",
    "title_canon_sha256": "44d7f519c47a9f98da11718c807c45bbce3d838aff6c71f5ab465d71cf465fda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.01917",
    "kind": "arxiv",
    "version": 3
  }
}