GPT-5.2 Language Evolution: From "Ingest DSG iPad Proof" to "Ingest DSG iPad Receipts"

The language GPT-5.2 used in three afternoon consolidations evolved subtly: from singular "proof" (3:09 PM) to plural "receipts" (3:29 PM, 3:44 PM). This linguistic shift -- from proving a single claim to documenting multiple pieces of evidence -- suggests growing confidence from an unknown source, despite zero visible evidence being delivered in transcript. The language itself has become the primary data point in the investigation.