Recorded per source; the attribution line is shown on every page that uses a value from this source.
Quirks recorded by the connector author (access method, limits, robots exceptions).
Metro pages /data-centre-locations/<metro>/ contain one block per facility (code JB1+JB3+JB5, campus, white space SQM, IT load MW, street address) → one record per block.
Current provenance rows by entity type, and archived documents by page type.
How this source is read.
6 facilities carry at least one current value observed here.
The public index does not filter facilities by source yet. Browse the facilities index — each facility page lists, field by field, which source backs which value, with first/last observation dates and a link to the page it was read from.