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Fixed shared ID description (WICG#557)
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maudnals committed Sep 20, 2022
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5 changes: 2 additions & 3 deletions AGGREGATION_SERVICE_TEE.md
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Expand Up @@ -254,9 +254,8 @@ found, these batches may be rejected or duplicates may be filtered out.
It is not technically practical to keep track of every single aggregatable
report submitted for aggregation to check for batch disjointness, that is,
that batches are not overlapping. Instead, each aggregatable report will
be assigned a shared ID. This ID is generated from the combined data
points: reporting origin, target site, and scheduled report transmission
time, rounded down to the hour.
be assigned a shared ID. This ID is generated from the combined data points: API version, reporting origin, destination site, source registration time and scheduled report time.
These data points come from the report's [shared_info](https://github.com/WICG/attribution-reporting-api/blob/main/AGGREGATE.md#aggregatable-reports) field.

The aggregation service will enforce that all aggregatable reports with
the same ID must be included in the same batch. Conversely, if more than
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