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E.g. Time: 14 April 2020, 12:03:12pm (which rounds down to 12:00:00pm), which maps to 15868656001586865600000 (msecs)
The “nearby” time window is defined as follows:
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The 8 char geohash
Followed by the UTC timestamp of the beginning of the relevant 5 minute time window, in secondsmilliseconds
Example:
Latitude: 51.5019, Longitude: -0.1415
Time: 14 April 2020, 12:03:12pm (which rounds down to 12:00:00pm)
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8 character geohash: gcpuuz8u
UTC timestamp: 1586865600158686560000
Data string to encode: “gcpuuz8u1586865600” “gcpuuz8u1586865600000” which should hash to “e727d7eb7c51d1b3““c9414c55812d796a“ (cost = 12)
Sending data to Safe Places for Redaction Processing
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