Pith Number

pith:RA5RIA5U

pith:2009:RA5RIA5UUQE65I2HWSMG2UIDHV

not attested not anchored not stored refs pending

Large Geomagnetic Storms Associated with Limb Halo Coronal Mass Ejections

Hong Xie, Nat Gopalswamy, Pertti Makela, Sachiko Akiyama, Seiji Yashiro

arxiv:0903.2776 v1 · 2009-03-16 · 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{RA5RIA5UUQE65I2HWSMG2UIDHV}

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	2026-05-18T00:39:05.242519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

883b1403b4a409eea347b4986d51033d74852fe8026d7899704e46c02f4b8594

Aliases

arxiv: 0903.2776 · arxiv_version: 0903.2776v1 · doi: 10.48550/arxiv.0903.2776 · pith_short_12: RA5RIA5UUQE6 · pith_short_16: RA5RIA5UUQE65I2H · pith_short_8: RA5RIA5U

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/RA5RIA5UUQE65I2HWSMG2UIDHV \
  | 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: 883b1403b4a409eea347b4986d51033d74852fe8026d7899704e46c02f4b8594

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c815cc9004f1a65d9b705e2b179a99df5bfb3bd34ea00c31d5c6342bade0daea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-03-16T15:23:03Z",
    "title_canon_sha256": "fa1ee918feb70dc4d13b317014113c585bdc3ab48fc63917415ff780e5a1002f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.2776",
    "kind": "arxiv",
    "version": 1
  }
}