Certas Canções

Recording by Milton Nascimento.

Recording identifiers

ISRC
BRPGD8200030
CopyrightID (CopyrightChains transaction hash)
0x8f3fb4b159ebda1c9971caf35d8d558f81a2c0b2afda2c869613849a00cd934c
Copyright registration time
2026-06-20T06:24:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:0697ea81f2cee45267c83c09b0f8586baf6417b3f416dba4e8045b2e51069b62

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.