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    "title": "Infinite Architects",
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        "source": "T2 confirmation of 9 September 2026 11:30Z, this chain's own census, and this fetch"
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      "priceDisplay": "Free",
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      "priceChecked": "2026-09-10",
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      "publishedAtRetailer": "2026-01-02",
      "free": true,
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        "book/buy/index.html states GBP 14.99 for this edition, undated, and is refuted by this reading",
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      "pages": 466,
      "publishedAtRetailer": "2026-01-02",
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      "identifierAlsoSource": "the site's own Book entity on index.html and the buy page's ebook line; shown on no retailer page the checker rendered, on either storefront, on either date",
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      "retailer": "amazon.co.uk",
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        "the swatches on the same rendered page read Paperback from £16.99 and Hardcover from £24.99",
        "book/buy/index.html states GBP 9.99 for this edition, undated, and is refuted by this reading"
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      "pages": 468,
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      "linkResult": "HTTP 200",
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      "price": "24.99",
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      "retailer": "amazon.co.uk",
      "priceChecked": "2026-09-10",
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          "from": "GB",
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      ],
      "priceOtherObservations": [
        "the format strip on the rendered amazon.co.uk Kindle page carried the swatch Hardcover from £24.99 the same afternoon"
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      "publishedAtRetailer": "2026-01-06",
      "free": false,
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      "retailer": "amazon.com",
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        "GBP 14.04 is USD 18.99 at 0.7393; the GBP 14.02 of 10 September 2026 is the same dollar figure at 0.7383. The conversion tracks a live rate and the dollar figure does not move, which is how the retailer's own price is told apart from a quote to this territory",
        "the dollar reading of 10 September 2026 was recorded then and set aside as not reproducible. Four draws on two dates, 10 and 12 September 2026 have since read the identical $18.99, so the reading stands and the price is carried",
        "USD 18.99 read from the format-strip swatch on amazon.com/dp/B0GFD2GCCQ on 2026-09-10",
        "the converted readings are recorded as observations and not as draws, deliberately, because a conversion is not a reading of the retailer's price, and assertion 12 would otherwise refuse a row whose draws disagree in currency"
      ],
      "pages": 466,
      "publishedAtRetailer": "2026-01-02",
      "free": false,
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      "linkResult": "HTTP 200",
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    {
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      "url": "https://www.amazon.com/dp/B0GDQZ7P21",
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      "identifierType": "ASIN",
      "identifierAlso": [
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      ],
      "identifierAlsoSource": "the site's own Book entity on index.html and the buy page's ebook line; shown on no retailer page the checker rendered, on either storefront, on any date",
      "price": "9.99",
      "currency": "USD",
      "currencyIsRetailerHome": true,
      "priceDisplay": "USD 9.99",
      "retailer": "amazon.com",
      "priceChecked": "2026-09-10",
      "priceCheckedFrom": "GB",
      "priceSource": "USD 9.99: the publisher's own Kindle list price, stated by the author on 12 September 2026; read as USD 9.99 in the page's own transaction line on five draws of 12 September 2026; both draws of 10 September 2026 read GBP 7.37, which is USD 9.99 at 0.7377",
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        "the publisher's own Kindle list price is USD 9.99, stated by the author on 12 September 2026, which is the figure the page's transaction line and hidden price field read on all five draws of that day",
        "the transaction line on three of the five draws of 12 September 2026 reads, in the page's own words, You will be charged USD 9.99; the hidden displayedPrice field read 9.99 on all five, including the two draws whose every visible figure had been converted to sterling",
        "the format strip on the same page quoted Paperback from GBP 14.04, a conversion, on draws whose buy line still read USD 9.99; the strip and the transaction line disagree on currency inside one document",
        "GBP 7.37 to buy on both draws of 10 September 2026, a conversion of USD 9.99 at 0.7377",
        "the format strip showed the Kindle slot at 0.00 with Kindle Unlimited on all five draws of 12 September 2026, $0.00 on the two dollar draws and GBP 0.00 on the three converted ones, as the amazon.co.uk page also shows; a subscription is not an edition and is never a price on the card",
        "USD 9.99 read from the same page's format strip on 9 September 2026",
        "the two GBP 7.37 draws of 10 September 2026 (agents R3 and R3-second, 1,324,323 bytes and an unrecorded size) are recorded here as observations and not as draws, deliberately, because a conversion is not a reading of the retailer's price, and assertion 12 would otherwise refuse a row whose draws disagree in currency",
        "until 12 September 2026 this row carried no price for the reason it then gave: the page states USD 9.99 in its own words and its hidden displayedPrice field held 9.99 on all five draws of 12 September 2026, but no dollar figure was read from it on 10 September 2026, which is the date this register's prices carry and the date the card states. A price is not carried on a date it was not read, and the date cannot be moved forward with the other five rows, because amazon.co.uk served this client a 3,805 byte wall on every draw of 12 September 2026 and its three sterling prices cannot be re-read today. The figure is recorded in the draws below and will be carried the day all six retailer rows can be read together"
      ],
      "pages": 468,
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      "free": false,
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      "identifierType": "ISBN-13",
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      "priceDisplay": "USD 29.99",
      "retailer": "amazon.com",
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      "priceCheckedFrom": "GB",
      "priceSource": "buy box displayPrice, shown as $29.99, priceAmount 29.99",
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      "priceOtherObservations": [
        "the same alternation as the paperback row. On the five draws of 12 September 2026 the same URL quoted $29.99 twice and a converted GBP 22.17 three times",
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        "the swatches on the first draw of 10 September 2026 read Paperback from $18.99 and Hardcover from $29.99",
        "the converted readings are recorded as observations and not as draws, deliberately, because a conversion is not a reading of the retailer's price, and assertion 12 would otherwise refuse a row whose draws disagree in currency"
      ],
      "pages": 470,
      "publishedAtRetailer": "2026-01-06",
      "free": false,
      "linkChecked": "2026-09-12",
      "linkResult": "HTTP 200",
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    "checkedLine": "Prices checked from the United Kingdom, 10 September 2026.",
    "honestyLine": "Each price is what that retailer's own page showed on that date, in that retailer's own currency. Where a page quoted this reader a converted figure instead, the row carries the retailer's own price only where that figure held unchanged across draws, and otherwise says See the price. Prices change without notice.",
    "closingRow": "Every way to get it",
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