Pith Number

pith:B4G24JOO

pith:2014:B4G24JOOLHK4653EZ5RUKPWSV7

not attested not anchored not stored refs pending

Two planets around Kapteyn's star : a cold and a temperate super-Earth orbiting the nearest halo red-dwarf

Ansgar Reiners, Aviv Ofir, Chris J. Marvin, Cristina Rodr\'iguez-L\'opez, Enrico Gerlach, Eugenio Rivera, Guillem Anglada-Escud\'e, Hugh R.A. Jones, Ian B. Thompson, James S. Jenkins, Jeff D. Crane, Julian Morin, Luis F. Sarmiento, Mathias Zechmeister, Mat\'ias D\'iaz, Mikko Tuomi, Pamela Arriagada, Pedro J. Amado, R. Paul Butler, Sandra V. Jeffers, Stefan Dreizler, Stephen A. Shectman, Steven S. Vogt, Zaira M. Berdi\~nas

arxiv:1406.0818 v1 · 2014-06-03 · astro-ph.EP · astro-ph.GA · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B4G24JOOLHK4653EZ5RUKPWSV7}

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	2026-05-18T02:50:23.862255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f0dae25ce59d5cf7764cf63453ed2afd29d543c84691ca7ddc34dca3e80b483

Aliases

arxiv: 1406.0818 · arxiv_version: 1406.0818v1 · doi: 10.48550/arxiv.1406.0818 · pith_short_12: B4G24JOOLHK4 · pith_short_16: B4G24JOOLHK4653E · pith_short_8: B4G24JOO

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/B4G24JOOLHK4653EZ5RUKPWSV7 \
  | 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: 0f0dae25ce59d5cf7764cf63453ed2afd29d543c84691ca7ddc34dca3e80b483

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a69a10559437bfe7df968dd52e6d69203e208d679389f7a489a56a0869fd3e42",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2014-06-03T19:18:40Z",
    "title_canon_sha256": "09f1d12a7b43c70f687500dc196cb97e8017f9c6c31a23aff795f0521861ad34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.0818",
    "kind": "arxiv",
    "version": 1
  }
}