Pith Number

pith:HNHAFQP7

pith:2012:HNHAFQP7DWQOQZVCKDHODZ5WPH

not attested not anchored not stored refs pending

Modelling grand minima of solar activity using a flux transport dynamo model

Arnab Rai Choudhuri, Bidya Binay Karak

arxiv:1211.0165 v2 · 2012-11-01 · 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{HNHAFQP7DWQOQZVCKDHODZ5WPH}

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	2026-05-18T03:17:57.076492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b4e02c1ff1da0e866a250cee1e7b679f1db49b9ecd60ba6025fd4fdc1a358b9

Aliases

arxiv: 1211.0165 · arxiv_version: 1211.0165v2 · doi: 10.48550/arxiv.1211.0165 · pith_short_12: HNHAFQP7DWQO · pith_short_16: HNHAFQP7DWQOQZVC · pith_short_8: HNHAFQP7

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/HNHAFQP7DWQOQZVCKDHODZ5WPH \
  | 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: 3b4e02c1ff1da0e866a250cee1e7b679f1db49b9ecd60ba6025fd4fdc1a358b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "047e8b828108fa8ec0804d438d24566d8fa5bc48242031e5edba5533f3c25baa",
    "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": "2012-11-01T12:47:40Z",
    "title_canon_sha256": "ee2ccddf255628b45b99c03e3739ee8139e4d7756f1887e3fcc1e162ac6065fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.0165",
    "kind": "arxiv",
    "version": 2
  }
}