Perceptual Twins — technical documentation hash record
Prepared: 2026-08-07

File:
Perceptual_Twins_Reference_Implementation_v2.1.1_INPI_Technical_Documentation.zip

SHA-512 (recommended by the INPI e-Software user manual):
94b949613999f139273b7518c4b16b832d8335a55c6659d54ecde03e90e541c973a9e46e5770e7cc2164285667778e051d3b20ccb2be973a685a720561e00712

SHA-256 (secondary integrity reference):
e8ab1216c6a58b4498aeb01d25c1aee57bd32eeca0dac4edd96da41b761b54ad

IMPORTANT:
The exact ZIP file above must be preserved without any later modification.
If the file changes, its hash changes and it no longer matches the deposited hash.
