Pith Number

pith:QKSTSK7Y

pith:2019:QKSTSK7YMTOKELS2KIZOQHXKU6

not attested not anchored not stored refs pending

They may look and look, yet not see: BMDs cannot be tested adequately

Philip B. Stark, Ran Xie

arxiv:1908.08144 v4 · 2019-08-21 · stat.AP · 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{QKSTSK7YMTOKELS2KIZOQHXKU6}

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

On the security of ballot marking devices

Receipt and verification

First computed	2026-07-05T04:43:17.215554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82a5392bf864dca22e5a5232e81eeaa7b4b03f0f39ca0c0a7974d3f7f39de6b6

Aliases

arxiv: 1908.08144 · arxiv_version: 1908.08144v4 · doi: 10.48550/arxiv.1908.08144 · pith_short_12: QKSTSK7YMTOK · pith_short_16: QKSTSK7YMTOKELS2 · pith_short_8: QKSTSK7Y

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/QKSTSK7YMTOKELS2KIZOQHXKU6 \
  | 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: 82a5392bf864dca22e5a5232e81eeaa7b4b03f0f39ca0c0a7974d3f7f39de6b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0621736b995cb64187e23adceaff829b7e97817b13f50a8a3475ca9e46527d2",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2019-08-21T23:39:04Z",
    "title_canon_sha256": "53644087bda869e2862734972f77afc1d01c61fb9d350a111d62207696ad02b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08144",
    "kind": "arxiv",
    "version": 4
  }
}