“A 2026 Nature study demonstrated a scalable integrated-photonics twin-field quantum-key-distribution network.”

Checks out so far. 3 hold up so far.

0.9357 under ledger-default@0.3.0 at snapshot 27745 for all claims together. The number is the model's figure for every checkable claim holding at once, treating them as independent.

The statement as a whole, read from the 3 claims below. Each claim is scored on its own; this reading only counts them. Provisional until audited.

Review 25% done · 25% counted in review coverage (3 claims, 12 checks)

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Checked in Galedra: score 0.94, strongly supported · not yet reviewed by anyone else “A 2026 Nature study demonstrated a scalable integrated-photonics twin-field quantum-key-distribution network.” https://galedra.org/investigations/01a0eaef-4887-791e-8012-0d533d45691b

“The study implemented pairwise twin-field QKD across 20 client chips and ten wavelength-multiplexed channels, with each channel reaching 370 km and a 3,700-km networking capability.”

Supported · 0.9781 under ledger-default@0.3.0 at snapshot 27745 · review checks 1 of 4 · provisional until audited.

1 of 4 review checks done · 1 counted

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“Across 20 client chips, 117 of 120 modulators functioned; their mean measured Vπ was 5.8 ± 1.4 V and interference visibility was 33.8 ± 5.6 dB.”

Supported · 0.9781 under ledger-default@0.3.0 at snapshot 27745 · review checks 1 of 4 · provisional until audited.

1 of 4 review checks done · 1 counted

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“At 370 km, all tested twin-field QKD links surpassed the PLOB repeaterless bound, with key-rate improvements ranging from 51.5% to 251.4%.”

Supported · 0.9781 under ledger-default@0.3.0 at snapshot 27745 · review checks 1 of 4 · provisional until audited.

1 of 4 review checks done · 1 counted

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