Pith Number

pith:2SEZLBA4

pith:2009:2SEZLBA4CZ65PU7BKASTW3RW2B

not attested not anchored not stored refs pending

A polarity reversal in the large-scale magnetic field of the rapidly rotating Sun HD 190771

A. Morgenthaler, B. Dintrans, J. Lanoux, J. Morin, M. Auriere, P. Petit, R. Konstantinova-Antova, V. Van Grootel

arxiv:0909.2200 v2 · 2009-09-11 · 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{2SEZLBA4CZ65PU7BKASTW3RW2B}

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	2026-05-18T02:11:48.852366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d48995841c167dd7d3e150253b6e36d0458a5570527d550219b1a6f1650cc592

Aliases

arxiv: 0909.2200 · arxiv_version: 0909.2200v2 · doi: 10.48550/arxiv.0909.2200 · pith_short_12: 2SEZLBA4CZ65 · pith_short_16: 2SEZLBA4CZ65PU7B · pith_short_8: 2SEZLBA4

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/2SEZLBA4CZ65PU7BKASTW3RW2B \
  | 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: d48995841c167dd7d3e150253b6e36d0458a5570527d550219b1a6f1650cc592

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5be67b30f1bf23cf336b65e9c6adc683f9f13880f1bfd85ba016143f61ca0dbb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-11T15:45:17Z",
    "title_canon_sha256": "d8dad29710866edbd61f1bc8e5b2a0bb8edce05dd27871d3b8d242693278c438"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2200",
    "kind": "arxiv",
    "version": 2
  }
}