Pith Number

pith:OOWTDGXX

pith:2007:OOWTDGXXFITIAQWTUT4GBOFFOE

not attested not anchored not stored refs pending

The InterHourly-Variability (IHV) Index of Geomagnetic Activity and its Use in Deriving the Long-term Variation of Solar Wind Speed

Edward W. Cliver, Leif Svalgaard

arxiv:0706.0961 v1 · 2007-06-07 · astro-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{OOWTDGXXFITIAQWTUT4GBOFFOE}

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	2026-05-18T02:16:30.334429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73ad319af72a268042d3a4f860b8a57125db63e834783032c9174c6a8d89af3f

Aliases

arxiv: 0706.0961 · arxiv_version: 0706.0961v1 · doi: 10.48550/arxiv.0706.0961 · pith_short_12: OOWTDGXXFITI · pith_short_16: OOWTDGXXFITIAQWT · pith_short_8: OOWTDGXX

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/OOWTDGXXFITIAQWTUT4GBOFFOE \
  | 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: 73ad319af72a268042d3a4f860b8a57125db63e834783032c9174c6a8d89af3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c3690c6b5814ab51d9a3d70fc5f0b056567f295bc52dd30060dd72d47474244",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-06-07T19:57:01Z",
    "title_canon_sha256": "1d5133d2bf1d6b518329f24ed3e560fa1afe2e6dd725d4b5b21d331e251aae01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0706.0961",
    "kind": "arxiv",
    "version": 1
  }
}