Pith Number

pith:6CURRAHB

pith:2025:6CURRAHBG4F46VTBSVGYNBQW5X

not attested not anchored not stored refs pending

PHSafe: Disclosure Avoidance for the 2020 Census Supplemental Demographic and Housing Characteristics File (S-DHC)

Amritha Pai, Ashwin Machanavajjhala, Bayard Carlson, Daniel Simmons-Marengo, David Pujol, Gerome Miklau, Luke Hartman, Michael Hay, Ruchit Shrestha, Sam Haney, Simran Rajpal, Skye Berghel, William Sexton

arxiv:2505.01254 v1 · 2025-05-02 · cs.CR · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6CURRAHBG4F46VTBSVGYNBQW5X}

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	2026-07-05T10:57:48.317723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0a91880e1370bcf5661954d868616edd278a900561d6d4b7620f783c6b0cee8

Aliases

arxiv: 2505.01254 · arxiv_version: 2505.01254v1 · doi: 10.48550/arxiv.2505.01254 · pith_short_12: 6CURRAHBG4F4 · pith_short_16: 6CURRAHBG4F46VTB · pith_short_8: 6CURRAHB

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/6CURRAHBG4F46VTBSVGYNBQW5X \
  | 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: f0a91880e1370bcf5661954d868616edd278a900561d6d4b7620f783c6b0cee8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44de6db4dc1534c2bad674a836774d8278d3807b9cf787bc70552acd7c7455af",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-05-02T13:20:32Z",
    "title_canon_sha256": "8caf144a5382c80bffc9a5055a56ae9236387e629f249b8acdf57124d2cf7eb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.01254",
    "kind": "arxiv",
    "version": 1
  }
}