Pith Number

pith:CVZMQHF5

pith:2008:CVZMQHF53GEB2S6YGYLRRDQAFZ

not attested not anchored not stored refs pending

Detecting non-sinusoidal periodicities in observational data using multi-harmonic periodograms

Roman V. Baluev

arxiv:0811.0907 v2 · 2008-11-06 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CVZMQHF53GEB2S6YGYLRRDQAFZ}

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	2026-07-04T15:42:20.217333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1572c81cbdd9881d4bd83617188e002e52ccd1c6973276ff6b7a85ad75933a5a

Aliases

arxiv: 0811.0907 · arxiv_version: 0811.0907v2 · doi: 10.48550/arxiv.0811.0907 · pith_short_12: CVZMQHF53GEB · pith_short_16: CVZMQHF53GEB2S6Y · pith_short_8: CVZMQHF5

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/CVZMQHF53GEB2S6YGYLRRDQAFZ \
  | 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: 1572c81cbdd9881d4bd83617188e002e52ccd1c6973276ff6b7a85ad75933a5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19f95ccd92f249bf066fe600177e2078664f8e755abbdcf6afabce5c8ea4d49c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-11-06T09:45:29Z",
    "title_canon_sha256": "a500119ca58a56a857fe70a80dba8ea9b7dd9ed1fa6f36f25c737db661d28e5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.0907",
    "kind": "arxiv",
    "version": 2
  }
}