Skip the Hub's 2022-03 createdAt backfill

README.md

@@ -60,7 +60,7 @@ may hold at most four slots so a single lab cannot crowd out the field. A
 *today* and carry the tag *now*. Repos deleted since, or created under another
 tag and retagged later, are invisible, so early months are understated.
 
-**The window starts at 2022-04** — it skips the first-month backfill. Cumulative figures in the hover box still count from the true start of the series.
+**The window starts at 2022-04** — it 2022-03 is the Hub's createdAt backfill, not activity: 75-100% of it lands on 2022-03-02 across hundreds of unrelated owners, so those repos predate the field. Cumulative figures in the hover box still count from the true start of the series.
 
 **Landmark figures are all-time**, so older releases have had longer to
 accumulate downloads and likes than recent ones.

task.json

@@ -5,5 +5,5 @@
   "noun": "audio-to-audio models",
   "emoji": "\ud83c\udf9b\ufe0f",
   "start_month": "2022-04",
-  "start_note": "skips the first-month backfill"
+  "start_note": "2022-03 is the Hub's createdAt backfill, not activity: 75-100% of it lands on 2022-03-02 across hundreds of unrelated owners, so those repos predate the field"
 }