Boteco, Viola e Canção

Recording by Musical San Francisco.

Recording identifiers

ISRC
BR2BK1400008
CopyrightID (CopyrightChains transaction hash)
0xf1d11f3a25067eb7a5d1f405ac7852052f9043cc6e8dba9e11d060d0d65425b6
Copyright registration time
2026-06-27T21:53:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:42c5e0ba1bd477727481fa4fdafc6886a5839149bf9a92dd35e04030523332bd

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.