Pith Number

pith:XTPGT36A

pith:2015:XTPGT36AVG4CESGRLXL6CR7ADI

not attested not anchored not stored refs pending

No evidence for activity correlations in the radial velocities of Kapteyn's star

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

arxiv:1506.09072 v1 · 2015-06-30 · astro-ph.EP · 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{XTPGT36AVG4CESGRLXL6CR7ADI}

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	2026-05-18T01:02:05.043502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcde69efc0a9b82248d15dd7e147e01a119cdfcc40f768bb1f2c35156976dcd7

Aliases

arxiv: 1506.09072 · arxiv_version: 1506.09072v1 · doi: 10.48550/arxiv.1506.09072 · pith_short_12: XTPGT36AVG4C · pith_short_16: XTPGT36AVG4CESGR · pith_short_8: XTPGT36A

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/XTPGT36AVG4CESGRLXL6CR7ADI \
  | 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: bcde69efc0a9b82248d15dd7e147e01a119cdfcc40f768bb1f2c35156976dcd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f8f09414c20f39bf2d82cba13f48c7ce1c01308ec1f9990b10faf2cdde6a870",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-06-30T13:11:24Z",
    "title_canon_sha256": "b9f7e6f2e2905538b6efa71e45ff7c9c75f572dff14b629b392f6d021853ca24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.09072",
    "kind": "arxiv",
    "version": 1
  }
}