Pith Number

pith:7BQCCO4D

pith:2012:7BQCCO4D2XITQ6OZ553JGUFKON

not attested not anchored not stored refs pending

Thinning of the Sun's magnetic layer: the peculiar solar minimum could have been predicted

Anne-Marie Broomhall (Birmingham, Sarbani Basu (Yale), UK), William J. Chaplin (Brimingham, Yvonne Elsworth (Birmingham

arxiv:1208.5493 v1 · 2012-08-27 · 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{7BQCCO4D2XITQ6OZ553JGUFKON}

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.

Cited by

1 paper in Pith

Asteroseismology of solar-type stars

Receipt and verification

First computed	2026-05-18T01:54:51.164848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f860213b83d5d13879d9ef769350aa734bd5dafc5bf69ebd4330560acea2dd5d

Aliases

arxiv: 1208.5493 · arxiv_version: 1208.5493v1 · doi: 10.48550/arxiv.1208.5493 · pith_short_12: 7BQCCO4D2XIT · pith_short_16: 7BQCCO4D2XITQ6OZ · pith_short_8: 7BQCCO4D

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/7BQCCO4D2XITQ6OZ553JGUFKON \
  | 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: f860213b83d5d13879d9ef769350aa734bd5dafc5bf69ebd4330560acea2dd5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f333fca0b62c1376e9e4e6d964b36e1b2433a0625b3574e02be07c202e39344",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-08-27T20:11:28Z",
    "title_canon_sha256": "39bc97bbf2501a079591bd31ed51ac9ab61dc6f95f9f34aa02e8baf692b9fd0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.5493",
    "kind": "arxiv",
    "version": 1
  }
}