Pith Number

pith:GQVPZYPU

pith:2013:GQVPZYPU7VTHPWNX5B2CXSCONZ

not attested not anchored not stored refs pending

Recent variability of the solar spectral irradiance and its impact on climate modelling

A. Shapiro, E. Rozanov, I. Ermolli, K. Matthes, K. Tourpali, L. Gray, M. Weber, N. A. Krivova, P. Pilewskie, S. K. Solanki, T. Dudok de Wit, T. N. Woods, U. Langematz, W. Schmutz, Y. C. Unruh

arxiv:1303.5577 v1 · 2013-03-22 · astro-ph.SR · physics.ao-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GQVPZYPU7VTHPWNX5B2CXSCONZ}

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	2026-05-18T01:50:59.586146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

342afce1f4fd6677d9b7e8742bc84e6e4c5b3c82e8560cbf9d3502d8f13eb213

Aliases

arxiv: 1303.5577 · arxiv_version: 1303.5577v1 · doi: 10.48550/arxiv.1303.5577 · pith_short_12: GQVPZYPU7VTH · pith_short_16: GQVPZYPU7VTHPWNX · pith_short_8: GQVPZYPU

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/GQVPZYPU7VTHPWNX5B2CXSCONZ \
  | 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: 342afce1f4fd6677d9b7e8742bc84e6e4c5b3c82e8560cbf9d3502d8f13eb213

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d14d8b08ca0ef7d03568a755f11fab4a4e1a8e22d36494981f1b7231830cc45",
    "cross_cats_sorted": [
      "physics.ao-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-03-22T10:51:01Z",
    "title_canon_sha256": "580fd8b344302601d39a133551bd6a5d208e98ef5c6097d3b24bdd97c74ed803"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.5577",
    "kind": "arxiv",
    "version": 1
  }
}