Pith Number

pith:SZ7YXRYN

pith:2024:SZ7YXRYN5AWS2DEYMGO6GSCSKP

not attested not anchored not stored refs pending

The April 2023 SYM-H = -233 nT Geomagnetic Storm: A Classical Event

Aimin Du, Bruce Tsatnam Tsurutani, Gurbax Singh Lakhina, Pierre Henri, Quanming Lu, Rajkumar Hajra, Richard B. Horne, Rongsheng Wang, San Lu, Xingliang Gao, Xu Yang

arxiv:2409.08118 v1 · 2024-09-12 · physics.space-ph · astro-ph.EP · astro-ph.SR · physics.plasm-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{SZ7YXRYN5AWS2DEYMGO6GSCSKP}

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	2026-07-05T09:06:20.533325Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

967f8bc70de82d2d0c98619de3485253e4c9f5393c8c15bbdef9d381ec1a9881

Aliases

arxiv: 2409.08118 · arxiv_version: 2409.08118v1 · doi: 10.48550/arxiv.2409.08118 · pith_short_12: SZ7YXRYN5AWS · pith_short_16: SZ7YXRYN5AWS2DEY · pith_short_8: SZ7YXRYN

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/SZ7YXRYN5AWS2DEYMGO6GSCSKP \
  | 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: 967f8bc70de82d2d0c98619de3485253e4c9f5393c8c15bbdef9d381ec1a9881

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b4d7f30a856116cc62d353edf78161507ffcff6980b3a7c36f356a89d0edaa9",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.SR",
      "physics.plasm-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.space-ph",
    "submitted_at": "2024-09-12T15:08:33Z",
    "title_canon_sha256": "f7abbd98ce4ea43df048ee272f9b9d8402e5af57291148ab662561dcf622c537"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.08118",
    "kind": "arxiv",
    "version": 1
  }
}