Pith Number

pith:RD7YTT2R

pith:2018:RD7YTT2RKQSPJL2A3YHJ2O6IGJ

not attested not anchored not stored refs pending

Eyes on K2-3: A system of three likely sub-Neptunes characterized with HARPS-N and HARPS

A. Bignamini, A. C. Cameron, A. F. Lanza, A. F. M. Fiorenzano, A. Harutyunyan, A. Maggio, A. Mortier, A. S. Bonomo, A. Sozzetti, A. Vanderburg, A. W\"unsche, C. Dressing, C. Lovis, C. Watson, D. Charbonneau, D. F. Phillips, D. Sasselov, D. S\'egransan, D. W. Latham, E. Covino, E. Gonz\'alez-\'Alvarez, E. Lopez, E. Molinari, E. Poretti, F. Borsa, F. Bouchy, F. Motalebi, F. Murgas, F. Pepe, G. Leto, G. Micela, G. Piotto, G. Scandariato, I. Carleo, I. Pagano, J. Asher Johnson, J. Maldonado, J.-M. Almenara, J. M. Irwin, K. Biazzo, K. Rice, L. A. Buchhave, L. Affer, L. Di Fabrizio, L. Malavolta, L. Mancini, L. Zeng, M. Damasso, M. Esposito, M. Lopez-Morales, M. Mayor, M. Rainer, N. Astudillo-Defru, N. C. Santos, P. Figueira, P. Giacobbe, R. Claudi, R. Cosentino, R. D. Haywood, R. Fares, R. Gratton, R. Smareglia, S. Benatti, S. Desidera, S. Masiero, S. Udry, T. Forveille, V. Nascimbeni, X. Bonfils, X. Delfosse

arxiv:1802.08320 v1 · 2018-02-22 · 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{RD7YTT2RKQSPJL2A3YHJ2O6IGJ}

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	2026-05-18T00:10:31.761091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88ff89cf515424f4af40de0e9d3bc8324fd7e0d77e4c4585e2a7d51c783619b2

Aliases

arxiv: 1802.08320 · arxiv_version: 1802.08320v1 · doi: 10.48550/arxiv.1802.08320 · pith_short_12: RD7YTT2RKQSP · pith_short_16: RD7YTT2RKQSPJL2A · pith_short_8: RD7YTT2R

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/RD7YTT2RKQSPJL2A3YHJ2O6IGJ \
  | 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: 88ff89cf515424f4af40de0e9d3bc8324fd7e0d77e4c4585e2a7d51c783619b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5237be5911d91693f106682aecb633262467b77bd016c7c8dcdd427f59475b93",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-02-22T22:04:44Z",
    "title_canon_sha256": "63993b5e1f976d1b4d93fa1b27fa2d7c61c65d238db14696864f7ee43ad2e713"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08320",
    "kind": "arxiv",
    "version": 1
  }
}