Pith Number

pith:OBRJ3CUQ

pith:2017:OBRJ3CUQDB4CBSAXDSC62PHRRG

not attested not anchored not stored refs pending

Seeing double with K2: Testing re-inflation with two remarkably similar planets around red giant branch stars

Andrew Howard, Andrew Vanderburg, Benjamin Fulton, Daniel Foreman-Mackey, Daniel Huber, Douglas N.C. Lin, Eric Gaidos, Eric Lopez, Erik Petigura, Evan Sinukoff, Howard Isaacson, Jie Yu, Larissa Nofi, Lauren Weiss, Megan Ansdell, Samuel K. Grunblatt, Thomas S. H. North, William Chaplin

arxiv:1706.05865 v2 · 2017-06-19 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OBRJ3CUQDB4CBSAXDSC62PHRRG}

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	2026-05-18T00:28:15.361427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70629d8a90187820c8171c85ed3cf189b3ae45dd85612395261ce54503e8f9cf

Aliases

arxiv: 1706.05865 · arxiv_version: 1706.05865v2 · doi: 10.48550/arxiv.1706.05865 · pith_short_12: OBRJ3CUQDB4C · pith_short_16: OBRJ3CUQDB4CBSAX · pith_short_8: OBRJ3CUQ

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/OBRJ3CUQDB4CBSAXDSC62PHRRG \
  | 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: 70629d8a90187820c8171c85ed3cf189b3ae45dd85612395261ce54503e8f9cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1022ec36d1c7fd603360500dfbb69aae5317a0e9c82259aefef8de840a37836",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-06-19T10:23:53Z",
    "title_canon_sha256": "3adb8a52fc702f8e24bf1873a9a307e07fa29ae2bbd8d4df86d1874e215669e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.05865",
    "kind": "arxiv",
    "version": 2
  }
}