Pith Number

pith:SGTMS3PP

pith:2002:SGTMS3PPX2YOB3MLJDA66FFMYA

not attested not anchored not stored refs pending

Physics of the solar cycle

G\"unther R\"udiger, Rainer Arlt

arxiv:astro-ph/0201129 v2 · 2002-01-09 · 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{SGTMS3PPX2YOB3MLJDA66FFMYA}

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	2026-05-18T00:50:13.941409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91a6c96defbeb0e0ed8b48c1ef14acc03fe6631c6f40920f15bd110cf5d3afbb

Aliases

arxiv: astro-ph/0201129 · arxiv_version: astro-ph/0201129v2 · doi: 10.48550/arxiv.astro-ph/0201129 · pith_short_12: SGTMS3PPX2YO · pith_short_16: SGTMS3PPX2YOB3ML · pith_short_8: SGTMS3PP

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/SGTMS3PPX2YOB3MLJDA66FFMYA \
  | 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: 91a6c96defbeb0e0ed8b48c1ef14acc03fe6631c6f40920f15bd110cf5d3afbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc462845f96406a1263faea8e169107567711c49a3baf4cfb108c7f2c45333bc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-01-09T14:41:33Z",
    "title_canon_sha256": "79e485220c1e946384180c5caac8e97986934f3eccda433def57c82442ee6662"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0201129",
    "kind": "arxiv",
    "version": 2
  }
}