Pith Number

pith:LS5FJ4LB

pith:2005:LS5FJ4LBX6SDVBRSZU2SRSKWXI

not attested not anchored not stored refs pending

Multifractal Detrended Fluctuation Analysis of Sunspot Time Series

F. Ghasemi, G. R. Jafari, M. Reza Rahimi Tabar, M. Sadegh Movahed, Sohrab Rahvar

arxiv:physics/0508149 v2 · 2005-08-20 · physics.data-an · 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{LS5FJ4LBX6SDVBRSZU2SRSKWXI}

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	2026-05-18T04:28:37.112999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cba54f161bfa43a8632cd3528c956ba29e5f8dc10589ce5e942554cd91e4f06

Aliases

arxiv: physics/0508149 · arxiv_version: physics/0508149v2 · doi: 10.48550/arxiv.physics/0508149 · pith_short_12: LS5FJ4LBX6SD · pith_short_16: LS5FJ4LBX6SDVBRS · pith_short_8: LS5FJ4LB

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/LS5FJ4LBX6SDVBRSZU2SRSKWXI \
  | 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: 5cba54f161bfa43a8632cd3528c956ba29e5f8dc10589ce5e942554cd91e4f06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba6db15317db79a012dc21f9ba45ea767f4c60f36a294e539c50b766d607c46d",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "physics.data-an",
    "submitted_at": "2005-08-20T09:21:28Z",
    "title_canon_sha256": "949f0522b6b51030c846c375ecfabff4b8c56a2bb41bbac507b80ac433262cdc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0508149",
    "kind": "arxiv",
    "version": 2
  }
}