Ofício (Remasterizado)

Recording by Cassiane.

Recording identifiers

ISRC
BRMKP1600403
CopyrightID (CopyrightChains transaction hash)
0xd1c310bf57351c3df2f3d98c9d6e410cd6aa9fc318e8433efe1cb3e592e7f581
Copyright registration time
2026-07-06T21:09:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:117742c824c682b87c7347ec32cba2c90897d2b065b491b0a3be1f08e344ff2a

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.