Pith Number

pith:2H35QXHU

pith:2018:2H35QXHUYRBM3SI5ALZGTKQ2P4

not attested not anchored not stored refs pending

Double-peaks of the solar cycle: An explanation from a dynamo model

Bidya Binay Karak, Dipankar Banerjee, Sudip Mandal

arxiv:1808.03922 v1 · 2018-08-12 · astro-ph.SR · astro-ph.EP · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2H35QXHUYRBM3SI5ALZGTKQ2P4}

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	2026-05-18T00:03:41.055745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1f7d85cf4c442cdc91d02f269aa1a7f2269f6befc8b65152d29e6a43deed4a8

Aliases

arxiv: 1808.03922 · arxiv_version: 1808.03922v1 · doi: 10.48550/arxiv.1808.03922 · pith_short_12: 2H35QXHUYRBM · pith_short_16: 2H35QXHUYRBM3SI5 · pith_short_8: 2H35QXHU

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/2H35QXHUYRBM3SI5ALZGTKQ2P4 \
  | 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: d1f7d85cf4c442cdc91d02f269aa1a7f2269f6befc8b65152d29e6a43deed4a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4aa6c6f152a6572b4afb13f2a8f4e868d3a4e6621b56544933bbf6790fdd89fa",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-08-12T10:23:30Z",
    "title_canon_sha256": "5ad74d65d36824f3c563d181005fd9828d8da84c46bfbc1e5f7c7207d61fd12e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.03922",
    "kind": "arxiv",
    "version": 1
  }
}