Pith Number

pith:OUNV4W5F

pith:2012:OUNV4W5FQZGYCCTOML4P4QOKBL

not attested not anchored not stored refs pending

The G-O Rule and Waldmeier Effect in the Variations of the Numbers of Large and Small Sunspot Groups

J. Javaraiah

arxiv:1208.2862 v1 · 2012-08-11 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OUNV4W5FQZGYCCTOML4P4QOKBL}

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	2026-05-18T01:55:16.090846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

751b5e5ba5864d810a6e62f8fe41ca0af0d6ed8047e29e5e5ad4448f7dd00df3

Aliases

arxiv: 1208.2862 · arxiv_version: 1208.2862v1 · doi: 10.48550/arxiv.1208.2862 · pith_short_12: OUNV4W5FQZGY · pith_short_16: OUNV4W5FQZGYCCTO · pith_short_8: OUNV4W5F

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/OUNV4W5FQZGYCCTOML4P4QOKBL \
  | 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: 751b5e5ba5864d810a6e62f8fe41ca0af0d6ed8047e29e5e5ad4448f7dd00df3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7ff805a6abc0cfc1a5f93022111ffdda710cfc5034313e825f7ba1b7dc0a374",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-08-11T09:22:32Z",
    "title_canon_sha256": "dad07a9c78f457980a9f95b811c614c94ca0bd2ef9549116f0ceefdcda10f12b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.2862",
    "kind": "arxiv",
    "version": 1
  }
}