Pith Number

pith:2GU4YY7X

pith:2026:2GU4YY7X6PCMMSZR4JGMLHNVPE

not attested not anchored not stored refs pending

Tidal triggers and the predictability of solar activity

F. Stefani, G. Mamatsashvili, G.M. Horstmann, T. Weier

arxiv:2602.11227 v2 · 2026-02-11 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2GU4YY7X6PCMMSZR4JGMLHNVPE}

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	2026-06-02T02:04:14.552212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1a9cc63f7f3c4c64b31e24cc59db57912a5c99c19b69395c82e8e590d0d1b20

Aliases

arxiv: 2602.11227 · arxiv_version: 2602.11227v2 · doi: 10.48550/arxiv.2602.11227 · pith_short_12: 2GU4YY7X6PCM · pith_short_16: 2GU4YY7X6PCMMSZR · pith_short_8: 2GU4YY7X

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/2GU4YY7X6PCMMSZR4JGMLHNVPE \
  | 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: d1a9cc63f7f3c4c64b31e24cc59db57912a5c99c19b69395c82e8e590d0d1b20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dd0bb3db12703beee7dabae5eff2e3c92973b9cedd3ce6985e3c0151827e72b",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-02-11T14:11:47Z",
    "title_canon_sha256": "8ca48768169c31ad1ce4292f084d7950e012551aef9f657621a92c98e6f1b23e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.11227",
    "kind": "arxiv",
    "version": 2
  }
}