Pith Number

pith:LYSZFDQT

pith:2015:LYSZFDQTCPGI3WCWPBYL3FZWZW

not attested not anchored not stored refs pending

Singular Spectrum Analysis for astronomical time series: constructing a parsimonious hypothesis test

A. Ortolan, C. Guidorzi, D. Kondrashov, F. Marino, G. Greco, G. Stratta, M. Branchesi, M. Ciszak, M. Ghil, S. Kobayashi

arxiv:1509.03342 v1 · 2015-09-10 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LYSZFDQTCPGI3WCWPBYL3FZWZW}

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	2026-05-18T01:11:51.374573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e25928e1313cc8dd8567870bd9736cdaea2d6fe0c6c7e2dd8408ac9aaca6711

Aliases

arxiv: 1509.03342 · arxiv_version: 1509.03342v1 · doi: 10.48550/arxiv.1509.03342 · pith_short_12: LYSZFDQTCPGI · pith_short_16: LYSZFDQTCPGI3WCW · pith_short_8: LYSZFDQT

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/LYSZFDQTCPGI3WCWPBYL3FZWZW \
  | 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: 5e25928e1313cc8dd8567870bd9736cdaea2d6fe0c6c7e2dd8408ac9aaca6711

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "621411b8b8ec7c404103205490cd21b82ed96b97bbad5a5296c9a66146c7dd64",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-09-10T21:38:13Z",
    "title_canon_sha256": "0edb886151d4f6eb54f738711088f05a857ebf3c7f516dfddf57f75d647dd5ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03342",
    "kind": "arxiv",
    "version": 1
  }
}