bytes hash to the record's source_sha256 and the .pdf.source sidecar names the record's source_url
the record's page field says page 26. This row's source lines could not be found in the PDF's text layer (the adapter reflowed them, or the page has no text layer), so the page is the record's claim and is NOT verified against the document
Page 26, whole — no highlight
none of this row's 1 source lines occurs exactly once on page 26 (1 occur more than once or not at all in the word layer). Drawing a box would mean picking an occurrence, which is the defect this rule exists to stop; showing the whole page instead.
Page 26 of md_regs.pdf
The page is the document's, unedited. What this compilation read off it is the row above; what it did not read is on the state page under “what this record does not carry”.