Passatempo... Paratempo!

Recording by Rita Rameh e Luiz Waack.

Recording identifiers

ISRC
BRLCW1700009
CopyrightID (CopyrightChains transaction hash)
0xe8a77af92dd9a7fbf805426bf299ccb7e1da82fa61855b3421c32a8175225ab1
Copyright registration time
2026-07-30T22:36:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T00:26:26Z
Bitcoin block
960327
Canonical record hash
sha256:d82a36f9ceb5c2c10471fc2c822cfe9f0ca8f1d164a50e4269efc46e25f905d0

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.