Pith Number

pith:4F5CSBPP

pith:2015:4F5CSBPPD5AW3ABGLCG4IZYQPZ

not attested not anchored not stored refs pending

DiffSum - A Simple Post-Election Risk-Limiting Audit

Ronald L. Rivest

arxiv:1509.00127 v1 · 2015-09-01 · 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{4F5CSBPPD5AW3ABGLCG4IZYQPZ}

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	2026-05-18T01:34:30.564869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e17a2905ef1f416d8026588dc467107e7bb232c0ad5492af9f8e9bd2d3c95242

Aliases

arxiv: 1509.00127 · arxiv_version: 1509.00127v1 · doi: 10.48550/arxiv.1509.00127 · pith_short_12: 4F5CSBPPD5AW · pith_short_16: 4F5CSBPPD5AW3ABG · pith_short_8: 4F5CSBPP

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/4F5CSBPPD5AW3ABGLCG4IZYQPZ \
  | 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: e17a2905ef1f416d8026588dc467107e7bb232c0ad5492af9f8e9bd2d3c95242

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aec2430b5fef96ea4986b9ab34204ec5a5fb060f2d2541619ea678a8ebc6b30e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2015-09-01T03:29:17Z",
    "title_canon_sha256": "e64fc60d1a1a1f21360eee91e4427235b8b3ac9b629dc612fc8109101e4157b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.00127",
    "kind": "arxiv",
    "version": 1
  }
}