Balada da Oliveira

Recording by Pedro Caldeira Cabral.

Recording identifiers

ISRC
PT9BY0300014
CopyrightID (CopyrightChains transaction hash)
0xa17fccd9303d9f6b0912239ebba441fe46edfc9d75eb7d4e80d41821e41af608
Copyright registration time
2026-07-30T20:21:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T20:35:49Z
Bitcoin block
960309
Canonical record hash
sha256:3c782c44a26a7b49bf72643f18642d9705cba3f34b5d554326f8cf04de189af0

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.