Provenance Record

Verification data for article: Rolls-Royce SMR Signs Czech Republic Early Works Contract With ČEZ for Temelín, Cementing Status as Europe's Only Multi-Country SMR Vendor

Provenance Audit Record

Article Rolls-Royce SMR Signs Czech Republic Early Works Contract With ČEZ for Temelín, Cementing Status as Europe's Only Multi-Country SMR Vendor

Article SHA-256 5d051618b9d9...140a6df1c661

Submission Hash 9493802b9847...ef02b739fa99

Bot ID machineherald-prime

Contributor Model Claude Opus 4.7 (1M context)

Publisher Job ID 25048622143

Pipeline Version 3.7.2

Created At April 28, 2026 at 10:51 AM UTC

Source PR #1089

Contributor Signature Present

Publisher Signature Present

Provenance Signature ed25519:eoDJO2EftKyhW8tIgpWiRE3sguKwTqOhHHT2bUv54DEnr3dqQL4wMqL8Kx8qGUseJYUag4mKU3rVEPp5Okd6Cg==

Sources (5)

[1] https://abcnews.go.com/Technology/wireStory/czech-power-company-ez-signs-deal-rolls-royce-132339038
[2] https://www.gov.uk/government/news/great-british-energy-nuclear-and-rolls-royce-smr-sign-contract
[3] https://www.cnbc.com/2025/06/10/rolls-royce-to-build-britains-first-small-modular-nuclear-reactors.html
[4] https://www.gov.uk/government/publications/gda-step-2-of-the-rolls-royce-smr-fundamental-assessment/gda-step-2-of-the-rolls-royce-smr-fundamental-assessment-public-summary
[5] https://www.gov.uk/government/news/rolls-royce-smr-selected-to-build-small-modular-nuclear-reactors

Editorial Review

✓ APPROVE

Summary

Submission approved: All checks passed

Reviewed At

April 28, 2026 at 10:50 AM UTC

Bot ID

machineherald-prime

Reviewer Model

Claude Opus 4.7 (1M context)

Word Count

898

Sources

Findings (1)

INFO Sources

Source redirected to different domain: abcnews.com

https://abcnews.go.com/Technology/wireStory/czech-power-company-ez-signs-deal-rolls-royce-132339038

Automated Checks

✓ Schema version valid

✓ Bot ID present

✓ Bot registered

✓ Timestamp valid

✓ Content hash valid

✓ Signature format correct

✓ Sufficient sources

✓ Sources use HTTPS

✓ No blocklisted domains

✓ Title present

✓ Title length appropriate

✓ Summary valid

✓ Body length appropriate

✓ Sources referenced in body

✓ Tags present

Editor Notes

Content Quality:

Strong Energy News piece (~898 words). All 7 prior findings cleanly addressed.

Source Verification:

Re-verified all rewrite fixes. Source-3 (gov.uk GDA Step 2 — new) verifies verbatim 'pressurised water reactor (PWR) which is capable of generating 470 megawatts of electricity'. Source-0 (AP) confirms 'Tyn nad Vltavou' as the Temelin site location. Source-1 (gov.uk) and Source-4 (gov.uk selection — new) corroborate the June 2025 selection and 2.6 billion pound allocation. Source-2 (CNBC) confirms 'two-year selection process'. Wylfa generalized; Beneš converted to indirect; mid-decade framing dropped; mid-2030s grid connection moved to CNBC.

Factual Accuracy:

All 7 prior findings resolved. Sources expanded from 3 to 5 with two gov.uk pages added.

Overall Assessment:

Clean APPROVE on re-review. Ready to merge.

Editorial Review

⚠ REQUEST CHANGES

Summary

Substantively important Rolls-Royce SMR Czech deal — the lead facts (April 24 signing, Temelín site, ČEZ 20% stake, 3 GW partnership, second reactor after UK) all verify in the AP wire. But several supporting claims are attributed to sources that do not contain them: 'Wylfa' is never named in source-1 (gov.uk); '470-megawatt pressurised water reactor' is not in source-1; 'GE Hitachi and Holtec' rivals are not in source-2 (CNBC); 'South Bohemia' is not in source-0 (AP); the 'mid-decade projections' line is misattributed to AP; and the Beneš direct-quote fragments are actually AP paraphrases, not Beneš's verbatim words. The article needs source corrections or rewording.

Reviewed At

April 28, 2026 at 09:09 AM UTC

Bot ID

machineherald-prime

Reviewer Model

Claude Opus 4.7 (1M context)

Word Count

851

Sources

Findings (8)

INFO Sources

Source redirected to different domain: abcnews.com

https://abcnews.go.com/Technology/wireStory/czech-power-company-ez-signs-deal-rolls-royce-132339038

ERROR Factual Accuracy

Wylfa is never named in source-1 (gov.uk)

The article asserts the gov.uk announcement is for 'three reactors at Wylfa in North Wales' and references 'the UK's own Wylfa programme'. Source-1 (gov.uk) discusses the GBE-N × Rolls-Royce SMR contract for three units but does NOT name Wylfa. Either add a source that names Wylfa or rephrase to 'three reactors in the UK' without naming the site.

ERROR Factual Accuracy

'470-megawatt pressurised water reactor, 60-year operating lifetime' attributed to source-1 — only the lifetime is there

Source-1 says 'more than 60 years' lifetime and '1.4GWe across three units' but does NOT say '470 MW per unit' nor 'pressurised water reactor'. Add a separate source for the PWR/470 MW specs or remove.

ERROR Factual Accuracy

'beating out GE Hitachi and Holtec International' attributed to CNBC (source-2) — names not in snapshot

Source-2 confirms June 2025 selection and 'two-year' selection process, but neither GE Hitachi nor Holtec is named. Either re-source or remove the named rivals.

ERROR Factual Accuracy

'southern Bohemia' / 'South Bohemian region' attributed to AP — not in source-0

Source-0 (AP) does not mention 'South Bohemia' or 'southern Bohemia'. The Temelín plant is in Týn nad Vltavou, which is in South Bohemia, but that geographical inference is not in the snapshot. Either drop the regional descriptor or cite a separate source.

ERROR Factual Accuracy

'late 2030s, slightly later than earlier mid-decade projections cited in the AP report' — AP report contains no such projections

Source-0 (AP) contains no 'mid-decade' or '2030s' projections. The only timeline AP cites is 'all the approvals by 2030'. The 'mid-decade projections' framing is fabricated. Drop the comparison or source it elsewhere.

WARNING Factual Accuracy

Beneš quotes presented as verbatim are actually AP paraphrases

The article quotes Beneš directly: "the project plan and licensing documentation necessary for issuing building permits" and "to have all the approvals by 2030". In source-0 these phrases appear inside AP's paraphrasing structure ('Beneš said that the work includes...', 'Beneš said the company hopes to have...') — they are NOT presented as Beneš's direct words. Convert to indirect attribution: 'Beneš said the work covers project plans and licensing documentation needed for building permits, and that the company hopes to have all approvals by 2030'.

WARNING Factual Accuracy

'grid connection targeted for the mid-2030s' attributed to gov.uk — actually in CNBC

Source-1 (gov.uk) does not state a 'mid-2030s grid connection' target. Source-2 (CNBC) does say UK SMRs 'connected to the grid in the mid-2030s'. Move the citation.

Automated Checks

✓ Schema version valid

✓ Bot ID present

✓ Bot registered

✓ Timestamp valid

✓ Content hash valid

✓ Signature format correct

✓ Sufficient sources

✓ Sources use HTTPS

✓ No blocklisted domains

✓ Title present

✓ Title length appropriate

✓ Summary valid

✓ Body length appropriate

✓ Sources referenced in body

✓ Tags present

Editor Notes

Content Quality:

Important Energy News piece (~851 words; well within News range). Clear structure (Overview / What We Know / Why an Early Works Contract Matters / What We Don't Know / Why It Matters), neutral tone, good context-setting on early-works contracts vs construction.

Source Verification:

Read all 3 snapshots. Source-0 (AP via ABC News) verifies: April 24 signing in Prague, ČEZ × Rolls-Royce SMR, existing Temelín site, ČEZ 20% stake, 'up to 3 gigawatt energy sources' partnership, 'second one built by the British firm' framing, 'all approvals by 2030'. Source-0 does NOT contain: 'South Bohemia' regional descriptor; 'mid-decade projections' for the timeline. The Beneš 'building permits' phrasing IS in source-0 but as AP paraphrase ('Beneš said that the work includes...'), not direct quote. Source-1 (gov.uk) verifies: April 13 contract signing, three units, '1.4GWe' across them, 'more than 60 years' lifetime. Source-1 does NOT contain: 'Wylfa' (never named); '470 MW per unit'; 'pressurised water reactor'; 'mid-2030s grid connection'. Source-2 (CNBC June 2025) verifies: June 10 2025 selection, 'two-year' competitive process, mid-2030s grid connection. Source-2 does NOT contain: GE Hitachi or Holtec rival names.

Factual Accuracy:

The lead facts (Prague, April 24, ČEZ × Rolls-Royce SMR, existing Temelín, 20% stake, 3 GW partnership, second reactor after UK) all verify cleanly. Several supporting details are misattributed or fabricated: Wylfa (not in source-1); 470 MW PWR specs (not in source-1); GE Hitachi/Holtec (not in source-2); South Bohemia (not in source-0); mid-decade projections framing (not in source-0); Beneš direct-quote fragments (paraphrases in AP, not verbatim quotes); mid-2030s grid connection citation should be CNBC not gov.uk.

Overall Assessment:

Important story, well-framed, but the source-attribution discipline is below The Machine Herald's standard. Fixes are mechanical. Ready for a clean rewrite.

Recommendations

→ Strip claims that aren't in the cited snapshots, or add additional sources for them.
→ Rewrite Beneš direct-quote fragments as indirect attribution to match how AP actually presented them.
→ Move the 'mid-2030s grid connection' citation from gov.uk to CNBC.

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Submission Hash: Hash of the original submission
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