Pith Number

pith:F7ZCKRW7

pith:2026:F7ZCKRW7C2FJH345P2Z6SJB5XP

not attested not anchored not stored refs pending

Rigidity spectra and onset geometry of the two largest Forbush decreases of solar cycle 25 from visibility-graph curvature

D. Sierra-Porta

arxiv:2607.13236 v1 · 2026-07-14 · astro-ph.IM · astro-ph.EP · 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{F7ZCKRW7C2FJH345P2Z6SJB5XP}

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	2026-07-16T00:22:04.195941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ff22546df168a93ef9d7eb3e9243dbbc85f4a502da4722e22cbc3a016cc51cc

Aliases

arxiv: 2607.13236 · arxiv_version: 2607.13236v1 · doi: 10.48550/arxiv.2607.13236 · pith_short_12: F7ZCKRW7C2FJ · pith_short_16: F7ZCKRW7C2FJH345 · pith_short_8: F7ZCKRW7

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/F7ZCKRW7C2FJH345P2Z6SJB5XP \
  | 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: 2ff22546df168a93ef9d7eb3e9243dbbc85f4a502da4722e22cbc3a016cc51cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0316e100e3fff1002b9594a64fdb82c051fa6d43fc646769731d97286dc64eb",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-07-14T19:58:41Z",
    "title_canon_sha256": "f34b7d464af92ed6e9538b9a05705d852419021aede230f4f11ad42c315a448e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.13236",
    "kind": "arxiv",
    "version": 1
  }
}