Pith Number

pith:S6CQBRHV

pith:2012:S6CQBRHV25O2ORLMRPGYSBZHTI

not attested not anchored not stored refs pending

Asymmetric Solar Polar Field Reversals

Leif Svalgaard, Yohsuke Kamide

arxiv:1207.2077 v1 · 2012-07-09 · 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{S6CQBRHV25O2ORLMRPGYSBZHTI}

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	2026-05-18T01:56:26.501267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

978500c4f5d75da7456c8bcd8907279a1354cdcbbd1ef97c47738d7629d04b5a

Aliases

arxiv: 1207.2077 · arxiv_version: 1207.2077v1 · doi: 10.48550/arxiv.1207.2077 · pith_short_12: S6CQBRHV25O2 · pith_short_16: S6CQBRHV25O2ORLM · pith_short_8: S6CQBRHV

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/S6CQBRHV25O2ORLMRPGYSBZHTI \
  | 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: 978500c4f5d75da7456c8bcd8907279a1354cdcbbd1ef97c47738d7629d04b5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63aa98a8f3987ed8bacbd45cb5cf9a475366d7d60a6f1fb3bfbf24e67506d325",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-07-09T15:27:03Z",
    "title_canon_sha256": "37e643d01c7bce0703e5e3b98dd3d8e1983c39d180a936aec4f676ab8699bc96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2077",
    "kind": "arxiv",
    "version": 1
  }
}