Pith Number

pith:PIN4YIHB

pith:2026:PIN4YIHB7FTKSTON36AG445IPD

not attested not anchored not stored refs resolved

The multi-planet system TOI-5624: Four transiting sub-Neptunes with an outer companion revealed by transit-timing variations

A. Bekkelien, A. Bonfanti, A. Brandeker, A. Castro Gonz\'alez, A. C. M. Correia, A. Collier Cameron, A. Deline, A. Derekas, A. Erikson, A. E. Simon, A. Fortier, A. Heitzmann, A. Lecavelier des Etangs, A. Leleu, A. M. S. Smith, B. Akinsanmi, B. Edwards, B. Mer\'in, B.-O. Demory, C. Broeg, Ch. Helling, C. Mordasini, C. Pezzotti, D. Barrado, D. Ehrenreich, D. Gandolfi, D. Kitzmann, D. Magrin, D. Nardiello, D. Piazza, D. Pollacco, D. Queloz, D. S\'egransan, D. Wolter, E. Pall\'e, E. Villaver, F. Destriez, F. Verrecchia, G. H\'ebrard, G. Lacedelli, G. Olofsson, G. Peter, G. Piotto, G. Scandariato, Gy. M. Szab\'o, H. P. Osborn, H. Rauer, I. Pagano, I. Ribas, J. Asquier, J. Korth, J. Laskar, J. Venturini, K. Gazeas, K. G. Isaak, K. W. F. Lam, L. Borsato, L. Fossati, L. L. Kiss, L. M. Serrano, M. B. Davies, M. Deleuil, M. Fridlund, M. Gillon, M. G\"udel, M. Lendl, M. Mecina, M. N. G\"unther, M. Stalport, N. A. Walton, N. Billot, N. C. Santos, N. Hara, N. Heidari, N. Rando, O. D. S. Demangeon, P. E. Cubillos, P. F. L. Maxted, P. Leonardi, R. Alonso, R. Ottensamer, R. Ragazzoni, S. C. C. Barros, S. G. Sousa, S. Sulis, S. Udry, S. Ulmer-Moll, S. Wolf, Sz. Csizmadia, T. B\'arczy, T. G. Wilson, T. Keller, T. Zingales, V. Nascimbeni, V. Van Grootel, W. Baumjohann, W. Benz, X. Delfosse, Y. Alibert

Four transiting sub-Neptunes orbit TOI-5624 while their timing variations reveal a fifth non-transiting companion.

arxiv:2604.15035 v2 · 2026-04-16 · astro-ph.EP

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\usepackage{pith}
\pithnumber{PIN4YIHB7FTKSTON36AG445IPD}

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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.

Claims

C1strongest claim

We present the discovery of four transiting sub-Neptunes with radii of R_b=2.314±0.035 R_⊕, R_c=2.474±0.042 R_⊕, R_d=3.584_{-0.050}^{+0.051} R_⊕, and R_e=3.247_{-0.043}^{+0.042} R_⊕ and masses of M_b=9.4±1.4 M_⊕, M_c=4.8±1.9 M_⊕, M_d=4.9±2.2 M_⊕, and M_e=8.9_{-3.0}^{+2.9} M_⊕. ... We label this non-transiting planet as TOI-5624 f and find its minimum mass to be M_f sin i_f=13.0±3.7 M_⊕.

C2weakest assumption

The RV signal close to the 2:1 commensurability with planet e is assumed to be a planetary companion f rather than an alias, stellar activity, or instrumental artifact; this is used to explain the observed TTVs in the dynamical N-body model.

C3one line summary

Four transiting sub-Neptunes with radii measured to <1.7% precision and masses >3 sigma for three planets, plus an outer non-transiting companion, discovered around TOI-5624 via TESS, CHEOPS photometry, and ground-based RV data.

References

122 extracted · 122 resolved · 0 Pith anchors

[1] Agol, E. & Deck, K. 2016, The Astrophysical Journal, 818, 177 2016

[2] Agol , E., Dorn , C., Grimm , S. L., et al. 2021, , 2, 1 2021

[3] & Fabrycky , D 2018

[4] 2005, , 359, 567 2005

[5] 2013, , 558, A109 2013

Receipt and verification

First computed	2026-05-27T14:06:44.391426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a1bcc20e1f966a94dcddf806e73a878cb2170a65f500ae6f748649fa26cdb3f

Aliases

arxiv: 2604.15035 · arxiv_version: 2604.15035v2 · doi: 10.48550/arxiv.2604.15035 · pith_short_12: PIN4YIHB7FTK · pith_short_16: PIN4YIHB7FTKSTON · pith_short_8: PIN4YIHB

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/PIN4YIHB7FTKSTON36AG445IPD \
  | 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: 7a1bcc20e1f966a94dcddf806e73a878cb2170a65f500ae6f748649fa26cdb3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43a4ab18550331abfbecc2be14f5fd49370718bd094d50c9ce7fec36cc20f131",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2026-04-16T14:04:19Z",
    "title_canon_sha256": "c28e70db160f8dfc1708a6c715859e8949f9a85dfe282313a9229a012918187a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2604.15035",
    "kind": "arxiv",
    "version": 2
  }
}