Pith Number

pith:LV42KYCI

pith:2010:LV42KYCIVUIUYML32CN5PDWHQL

not attested not anchored not stored refs pending

Sunspot minimum between solar cycles No 23 and 24. Prediction of solar cycle No 24 magnitude on the base of "Waldmeier's rule"

B. Komitov, K. Koleva, K. Stoychev, M. Dechev, P. Duchlev

arxiv:1008.0375 v1 · 2010-08-02 · astro-ph.SR · physics.space-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{LV42KYCIVUIUYML32CN5PDWHQL}

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	2026-05-18T04:42:43.490757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d79a56048ad114c317bd09bd78ec782d8d49ddc5686bf09a725c45c3aeae829

Aliases

arxiv: 1008.0375 · arxiv_version: 1008.0375v1 · doi: 10.48550/arxiv.1008.0375 · pith_short_12: LV42KYCIVUIU · pith_short_16: LV42KYCIVUIUYML3 · pith_short_8: LV42KYCI

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/LV42KYCIVUIUYML32CN5PDWHQL \
  | 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: 5d79a56048ad114c317bd09bd78ec782d8d49ddc5686bf09a725c45c3aeae829

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddbd386d92ebef4f59e289bf92657c7deaed72a277f8679e9524475c0f3008ed",
    "cross_cats_sorted": [
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-08-02T18:48:16Z",
    "title_canon_sha256": "4dc4342543e7f40b6d6e8c08205b62933b42b22d7cd28d1623af0607bfe3c995"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.0375",
    "kind": "arxiv",
    "version": 1
  }
}