Pith Number

pith:ZQPJD3PD

pith:2021:ZQPJD3PDUVPDVGWMMSF22TMHXE

not attested not anchored not stored refs pending

Pure Differential Privacy from Secure Intermediaries

Albert Cheu, Chao Yan

arxiv:2112.10032 v2 · 2021-12-19 · cs.CR · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZQPJD3PDUVPDVGWMMSF22TMHXE}

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

When Determinants Are Not Enough: Private Rare Switching

Receipt and verification

First computed	2026-07-05T03:43:46.718212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc1e91ede3a55e3a9acc648bad4d87b9093c2f05f57027c50b36e34ffa6a4382

Aliases

arxiv: 2112.10032 · arxiv_version: 2112.10032v2 · doi: 10.48550/arxiv.2112.10032 · pith_short_12: ZQPJD3PDUVPD · pith_short_16: ZQPJD3PDUVPDVGWM · pith_short_8: ZQPJD3PD

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/ZQPJD3PDUVPDVGWMMSF22TMHXE \
  | 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: cc1e91ede3a55e3a9acc648bad4d87b9093c2f05f57027c50b36e34ffa6a4382

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55b0c493127890055a6894fcf6e0be4c82f194ccf02fd2bcbde94042fed9241a",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2021-12-19T00:32:50Z",
    "title_canon_sha256": "77b3038342aef217663a5b1d431ae19734468ae4516e25f8202565bc935f6c68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.10032",
    "kind": "arxiv",
    "version": 2
  }
}