Balada Do Sino

Recording by José Afonso.

Recording identifiers

ISRC
PT7CG2100490
CopyrightID (CopyrightChains transaction hash)
0x096146d0116efe2488a83186d42ad432a14435fa11f1b645f22c1df017ab2fe7
Copyright registration time
2026-06-21T15:06:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:f3286f27877d3a908d36cbb2ebd6a0dd49e495984fe5b0d28cb84fb7e69afdee

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.