Pith Number

pith:7QGF3XWV

pith:2025:7QGF3XWVCJY7U4VUSKDXUDVBBD

not attested not anchored not stored refs pending

Change Point Detection in the Frequency Domain with Statistical Reliability

Akifumi Yamada, Ichiro Takeuchi, Kouichi Taji, Shuichi Nishino, Teruyuki Katsuoka, Tomohiro Shiraishi

arxiv:2502.03062 v2 · 2025-02-05 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7QGF3XWVCJY7U4VUSKDXUDVBBD}

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	2026-07-05T11:08:40.015612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc0c5dded51271fa72b492877a0ea108fdf82d09f84cf84ed15bf6393085db2d

Aliases

arxiv: 2502.03062 · arxiv_version: 2502.03062v2 · doi: 10.48550/arxiv.2502.03062 · pith_short_12: 7QGF3XWVCJY7 · pith_short_16: 7QGF3XWVCJY7U4VU · pith_short_8: 7QGF3XWV

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/7QGF3XWVCJY7U4VUSKDXUDVBBD \
  | 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: fc0c5dded51271fa72b492877a0ea108fdf82d09f84cf84ed15bf6393085db2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e916f013ed4549511e684339ec3021857bd2e8fdee97d81ae8095126287a7c1f",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2025-02-05T10:48:12Z",
    "title_canon_sha256": "b24a930cb4d559b1952df407754f4b43a24075bff475a00a6034d1af8c531034"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.03062",
    "kind": "arxiv",
    "version": 2
  }
}