pith. sign in
Pith Number

pith:A4ENWZNT

pith:2004:A4ENWZNTEBVA6NKVSS5D4JBHSF
not attested not anchored not stored refs pending

Latitudinal dependence of low cloud amount on cosmic ray induced ionization

G.A. Kovaltsov, I.G. Usoskin, K.Mursula, N.Marsh, O.G. Gladysheva

arxiv:physics/0407066 v1 · 2004-07-13 · physics.ao-ph · physics.space-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{A4ENWZNTEBVA6NKVSS5D4JBHSF}

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 2026-05-18T01:38:08.366668Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

0708db65b3206a0f355594ba3e2427917d8ecf4f1a14d32a4a75ebb357506844

Aliases

arxiv: physics/0407066 · arxiv_version: physics/0407066v1 · doi: 10.48550/arxiv.physics/0407066 · pith_short_12: A4ENWZNTEBVA · pith_short_16: A4ENWZNTEBVA6NKV · pith_short_8: A4ENWZNT
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/A4ENWZNTEBVA6NKVSS5D4JBHSF \
  | 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: 0708db65b3206a0f355594ba3e2427917d8ecf4f1a14d32a4a75ebb357506844
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "cb9c1a7fe90b9d65338f4bea11f1b83d365e87ed67e3eef00413f4ac4d142d8d",
    "cross_cats_sorted": [
      "physics.space-ph"
    ],
    "license": "",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2004-07-13T10:45:34Z",
    "title_canon_sha256": "0d7ced42a147fe4bcfc3ff6adbbae05ec8122324fc662a1fc74946f911fbd196"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0407066",
    "kind": "arxiv",
    "version": 1
  }
}