Pith Number

pith:3KMLSZVZ

pith:2011:3KMLSZVZJREDJHIF4IINKGS7IQ

not attested not anchored not stored refs pending

The amplitude of sunspot minimum as a favorable precursor for the prediction of the amplitude of the next solar maximum and the limit of the Waldmeier effect

K. B. Ramesh, N. Bhagya Lakshmi

arxiv:1109.2700 v1 · 2011-09-13 · 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{3KMLSZVZJREDJHIF4IINKGS7IQ}

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	2026-05-18T02:00:33.853006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da98b966b94c48349d05e210d51a5f4412fbc3b9769cbe0d17b0d3f1249439d7

Aliases

arxiv: 1109.2700 · arxiv_version: 1109.2700v1 · doi: 10.48550/arxiv.1109.2700 · pith_short_12: 3KMLSZVZJRED · pith_short_16: 3KMLSZVZJREDJHIF · pith_short_8: 3KMLSZVZ

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/3KMLSZVZJREDJHIF4IINKGS7IQ \
  | 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: da98b966b94c48349d05e210d51a5f4412fbc3b9769cbe0d17b0d3f1249439d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a91bae0078e92886adea2ea303cfca0216717626b9e9fc3c4184d76ad1658324",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-09-13T08:08:28Z",
    "title_canon_sha256": "b843860ed67732f35bcca8282190361bd489604ba99f06ebc75da7567934d5c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2700",
    "kind": "arxiv",
    "version": 1
  }
}