Pith Number

pith:PSVQW6OQ

pith:2026:PSVQW6OQ2LKCNRODTZTXFRPFYK

not attested not anchored not stored refs pending

A Sieve-Accelerated Quadrature Method for Exact Privacy Accounting in the 2020 U.S. Decennial Census

Buxin Su, Chendi Wang, Weijie Su

arxiv:2606.29835 v1 · 2026-06-29 · cs.CR · cs.DS · cs.NA · math.NA · stat.AP · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PSVQW6OQ2LKCNRODTZTXFRPFYK}

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	2026-06-30T02:17:37.456804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cab0b79d0d2d426c5c39e6772c5e5c28c2b69c4cfe1bd58c2daefd99a817243

Aliases

arxiv: 2606.29835 · arxiv_version: 2606.29835v1 · doi: 10.48550/arxiv.2606.29835 · pith_short_12: PSVQW6OQ2LKC · pith_short_16: PSVQW6OQ2LKCNROD · pith_short_8: PSVQW6OQ

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/PSVQW6OQ2LKCNRODTZTXFRPFYK \
  | 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: 7cab0b79d0d2d426c5c39e6772c5e5c28c2b69c4cfe1bd58c2daefd99a817243

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "027f614bc93c7ca458fdbbfb99aac506170c083b235273f6226e0fbc38663bf4",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.NA",
      "math.NA",
      "stat.AP",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-06-29T06:19:51Z",
    "title_canon_sha256": "a2417f042ff514a5cd9ba5d8b7b0227196e70164393282d4c4a41be23debb467"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.29835",
    "kind": "arxiv",
    "version": 1
  }
}