Pith Number

pith:C27Z2DMK

pith:2024:C27Z2DMKJG26DYSMAI2Y2GX5DG

not attested not anchored not stored refs pending

Reconstruction of the Total Solar Irradiance during the last Millenium

Francesco Berrilli, Lorenza Lucaferri, Luca Bertello, Matteo Cantoresi, Raffaele Reda, Serena Criscuoli, Simone Ulzega, Valentina Penza

arxiv:2409.12648 v1 · 2024-09-19 · astro-ph.SR · astro-ph.EP · physics.ao-ph · physics.space-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{C27Z2DMKJG26DYSMAI2Y2GX5DG}

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	2026-07-05T09:09:10.209124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16bf9d0d8a49b5e1e24c02358d1afd19bf4c479b4629713588372d3a6368afc2

Aliases

arxiv: 2409.12648 · arxiv_version: 2409.12648v1 · doi: 10.48550/arxiv.2409.12648 · pith_short_12: C27Z2DMKJG26 · pith_short_16: C27Z2DMKJG26DYSM · pith_short_8: C27Z2DMK

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/C27Z2DMKJG26DYSMAI2Y2GX5DG \
  | 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: 16bf9d0d8a49b5e1e24c02358d1afd19bf4c479b4629713588372d3a6368afc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c252c4fc70419d4df16d8f46f97aa9bf34cf6b953f2b057e295691cda3faffb",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "physics.ao-ph",
      "physics.space-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2024-09-19T10:52:52Z",
    "title_canon_sha256": "fc858ecd04e3dd2f3c71d09c2d0faa15f9444b6912e7a644e9ef6fe1dfd07f2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.12648",
    "kind": "arxiv",
    "version": 1
  }
}