Pith Number

pith:LVY4HEUI

pith:2026:LVY4HEUIV6W4OBRI7JV4247XDV

not attested not anchored not stored refs pending

Reconstruction of annual solar irradiance over the last three millennia

D. Temaj, I.G. Usoskin, N.A. Krivova, S.K. Solanki, T. Chatzistergos

arxiv:2605.22399 v1 · 2026-05-21 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LVY4HEUIV6W4OBRI7JV4247XDV}

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	2026-05-22T01:04:41.716166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d71c39288afadc70628fa6bcd73f71d570fe37521fa1cdc8b9fc5968233d924

Aliases

arxiv: 2605.22399 · arxiv_version: 2605.22399v1 · doi: 10.48550/arxiv.2605.22399 · pith_short_12: LVY4HEUIV6W4 · pith_short_16: LVY4HEUIV6W4OBRI · pith_short_8: LVY4HEUI

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/LVY4HEUIV6W4OBRI7JV4247XDV \
  | 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: 5d71c39288afadc70628fa6bcd73f71d570fe37521fa1cdc8b9fc5968233d924

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c51b09af3a5e17169a04968046c3502851e431cc0123ac09fab705e1d96e14e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-05-21T12:31:09Z",
    "title_canon_sha256": "918c09f8de4687ee56754355f0faedfaf94cb77f6aae8126a3103e95d5a9bef4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22399",
    "kind": "arxiv",
    "version": 1
  }
}