Pith Number

pith:GHJYNZMY

pith:2018:GHJYNZMY2UZKNYYY4JOAOFF3IC

not attested not anchored not stored refs pending

Super-Earth of 8 Mearth in a 2.2-day orbit around the K5V star K2-216

A. Bo Justesen, A. Erikson, A. Fukui, A.M.S. Smith, A.P. Hatzes, C.M. Persson, D. Gandolfi, D. Hidalgo, D. Kubyshkina, D. Nespral, E. Palle, E.W. Guenther, F. Dai, F. Rodler, G. Nowak, H.J. Deeg, H. Rauer, J. Cabrera Ph. Eigm\"uller, J. Korth, J. Livingston, J.N. Winn, J. Prieto-Arranz, L. Fossati, M. Endl, M. Esposito, M. Fridlund, M. Hjorth, M. Kuzuhara, M. P\"atzold, N. Narita, O. Barrag\'an, P. Heeren, S. Albrecht R. Alonso Sobrino, S. Grziwa, Sz Csizmadia, T. Hirano, V. Van Eylen, W.D. Cochran

arxiv:1805.04774 v7 · 2018-05-12 · 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{GHJYNZMY2UZKNYYY4JOAOFF3IC}

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	2026-05-18T00:03:48.934002Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31d386e598d532a6e318e25c0714bb40aa1cf730ff80142122da0cfe465fa550

Aliases

arxiv: 1805.04774 · arxiv_version: 1805.04774v7 · doi: 10.48550/arxiv.1805.04774 · pith_short_12: GHJYNZMY2UZK · pith_short_16: GHJYNZMY2UZKNYYY · pith_short_8: GHJYNZMY

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/GHJYNZMY2UZKNYYY4JOAOFF3IC \
  | 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: 31d386e598d532a6e318e25c0714bb40aa1cf730ff80142122da0cfe465fa550

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acdd72b3244f948aa2e1c83a2a33e4a171df7caa9a85e317b442aec8afb4a5c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-05-12T20:09:12Z",
    "title_canon_sha256": "ad572dff928d26da5c85bc91bd11a5dac3db15cf3513991dd397b043c8cbfa57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04774",
    "kind": "arxiv",
    "version": 7
  }
}