Pith Number

pith:R4HJCL4F

pith:2018:R4HJCL4FZUWF3X6YCSKCZ5SL6X

not attested not anchored not stored refs pending

Long-term variability of the solar cycle in the Babcock-Leighton dynamo framework

Bidya Binay Karak, Mark Miesch

arxiv:1805.04821 v1 · 2018-05-13 · astro-ph.SR · 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{R4HJCL4FZUWF3X6YCSKCZ5SL6X}

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	2026-05-17T23:55:20.808994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f0e912f85cd2c5ddfd814942cf64bf5d7fcabe7bededfc12a18c732afbd312f

Aliases

arxiv: 1805.04821 · arxiv_version: 1805.04821v1 · doi: 10.48550/arxiv.1805.04821 · pith_short_12: R4HJCL4FZUWF · pith_short_16: R4HJCL4FZUWF3X6Y · pith_short_8: R4HJCL4F

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/R4HJCL4FZUWF3X6YCSKCZ5SL6X \
  | 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: 8f0e912f85cd2c5ddfd814942cf64bf5d7fcabe7bededfc12a18c732afbd312f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07211297781ce795766972cf6215bd4095802d5156a46e921037479a59ff06cf",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-05-13T05:09:14Z",
    "title_canon_sha256": "922b16d9ec55df1e8ae44a95f6535bf5f55729ddf0930d9543f1235564355dd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04821",
    "kind": "arxiv",
    "version": 1
  }
}