Dois Rios

Recording by Custódio Castelo.

Recording identifiers

ISRC
TCABY1439471
CopyrightID (CopyrightChains transaction hash)
0xe26c152d0b6ffa694966176ce07820eb40a89b1d19fc9c9933928ab04a5302ab
Copyright registration time
2026-06-23T16:06:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:c8cec4f86a0c9206971b8e7781d1ed6956e8dc6bcfcb42d8e86d3943cfddcde2

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.