Argumento

Recording by Toco Preto do Cavaco.

Recording identifiers

ISRC
BR19C1308957
CopyrightID (CopyrightChains transaction hash)
0x05dc4546341404cb937f4675d36b9d41d71c112ffbe4a86515f875ed4143e3ae
Copyright registration time
2026-07-31T13:44:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:33Z
Bitcoin block
960419
Canonical record hash
sha256:f1072f4cbe0f727268b63d912614aaed7bbe95a3b68dea044db2d27c22d990b2

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.