pith. sign in
Pith Number

pith:D75D2HMK

pith:2014:D75D2HMK2JVPY3DBJEFNNBKI2E
not attested not anchored not stored refs pending

Redefining the limit dates for the Maunder Minimum

J. M. Vaquero, R. M. Trigo

arxiv:1406.1630 v1 · 2014-06-06 · astro-ph.SR · physics.ao-ph · physics.space-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{D75D2HMK2JVPY3DBJEFNNBKI2E}

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 2026-05-18T01:43:01.635947Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

1ffa3d1d8ad26afc6c61490ad68548d1185e2c9c360b8383958bfc26eddf4958

Aliases

arxiv: 1406.1630 · arxiv_version: 1406.1630v1 · doi: 10.48550/arxiv.1406.1630 · pith_short_12: D75D2HMK2JVP · pith_short_16: D75D2HMK2JVPY3DB · pith_short_8: D75D2HMK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/D75D2HMK2JVPY3DBJEFNNBKI2E \
  | 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: 1ffa3d1d8ad26afc6c61490ad68548d1185e2c9c360b8383958bfc26eddf4958
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "65dbac01a2a5f67a10da285d3c8f904e56e1664e7a302624eeb845809a420d64",
    "cross_cats_sorted": [
      "physics.ao-ph",
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-06-06T10:16:07Z",
    "title_canon_sha256": "be1b85a46250d348f6670f5bb097ca10747e4da8bcdaed4d3cc5c3c9cbc645c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.1630",
    "kind": "arxiv",
    "version": 1
  }
}