Doutor

Recording by Cidade Negra.

Recording identifiers

ISRC
BRSME9400182
CopyrightID (CopyrightChains transaction hash)
0x43a3878c2a44d2556f51604580ec2a20e0a4f6361c32d47fbd6d6b870d4092dd
Copyright registration time
2026-06-05T13:23:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-21T21:16:03Z
Bitcoin block
957061
Canonical record hash
sha256:89eeb434476de697a24a3beff8541f3009520d03292c9555a51fd723b46c85f0

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.