Pith Number

pith:ULUTWUPM

pith:2017:ULUTWUPMVUCFHK6ZT5NM7LKKPU

not attested not anchored not stored refs pending

A new randomness test solving problems of Discrete Fourier Transform Test

Atsushi Iwasaki, Ken Umeno

arxiv:1708.08218 v1 · 2017-08-28 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ULUTWUPMVUCFHK6ZT5NM7LKKPU}

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	2026-05-18T00:36:36.657480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2e93b51ecad0453abd99f5acfad4a7d130f352637586ae09cb2f10eb8cb0766

Aliases

arxiv: 1708.08218 · arxiv_version: 1708.08218v1 · doi: 10.48550/arxiv.1708.08218 · pith_short_12: ULUTWUPMVUCF · pith_short_16: ULUTWUPMVUCFHK6Z · pith_short_8: ULUTWUPM

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/ULUTWUPMVUCFHK6ZT5NM7LKKPU \
  | 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: a2e93b51ecad0453abd99f5acfad4a7d130f352637586ae09cb2f10eb8cb0766

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bd9f7848beec774d962885de46d2c69a8a7d033163c98f736094a95760ca625",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2017-08-28T07:25:05Z",
    "title_canon_sha256": "854f04614db30192a6ee495bbd931b8bcf7931faaa5756a9aabe61e4a629a810"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.08218",
    "kind": "arxiv",
    "version": 1
  }
}