Pith Number

pith:T5YYBVRJ

pith:2025:T5YYBVRJ6EQBQHFAP6W3BC3OR2

not attested not anchored not stored refs pending

Hidden massive eclipsing binaries in red supergiant systems: The hierarchical triple system KQ Puppis and other candidates

A.A.C. Sander, A. Bayo, A. C. Rubio, A. Ercolino, A. M\'erand, D. Baade, D. Jadlovsk\'y, D. Pauli, G. Gonz\'alez-Tor\`a, J. Jan\'ik, J. Kol\'a\v{r}, J. Krti\v{c}ka, K.G. Strassmeier, K. Kravchenko, L. Moln\'ar, L. M. Oskinova, L. Vanzi, L. Wang, M. Bernini-Peron, M. Skarka, M. Weber, M. Wittkowski, N. Langer, R. Brahm, R.Z. \'Ad\'am, T. Granzer, V. Ramachandran, V. Schaffenroth

arxiv:2509.25168 v4 · 2025-09-29 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T5YYBVRJ6EQBQHFAP6W3BC3OR2}

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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.

Cited by

1 paper in Pith

VLTI-GRAVITY measurements of cool evolved stars: II. Pulsation properties and mass-loss process of the Mira star R Car and the red supergiant VX Sgr

Receipt and verification

First computed	2026-05-21T01:05:09.868212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f7180d629f120181ca07fadb08b6e8eb27cfef5d64e99794b4fdf6d6d075513

Aliases

arxiv: 2509.25168 · arxiv_version: 2509.25168v4 · doi: 10.48550/arxiv.2509.25168 · pith_short_12: T5YYBVRJ6EQB · pith_short_16: T5YYBVRJ6EQBQHFA · pith_short_8: T5YYBVRJ

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/T5YYBVRJ6EQBQHFAP6W3BC3OR2 \
  | 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: 9f7180d629f120181ca07fadb08b6e8eb27cfef5d64e99794b4fdf6d6d075513

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "802be912e25140032485c74be702e5ffdf8cf58284970435d0b542b61672ea05",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-09-29T17:58:33Z",
    "title_canon_sha256": "885de65f1da5a36232d30a16f2be977d6f55f357bcd3c8bb3bad7f92d1cade61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.25168",
    "kind": "arxiv",
    "version": 4
  }
}