Medley De Tom Jobim: Retrato Em Branco E Preto / A Felicidade

Recording by MPB4.

Recording identifiers

ISRC
BRUM71301086
Release date of the album this recording appears on
1974-07-01
CopyrightID (CopyrightChains transaction hash)
0x35014871df2b51c8f410d8c9d824dd42afc3215267e496ea1ac265331bd6b810
Copyright registration time
2026-07-31T03:01:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T03:15:04Z
Bitcoin block
960340
Canonical record hash
sha256:e8b154eec34581bdf6929f7f430f4dca5f55c03e99c53c5cf837356e57268f6d

What this proof establishes

This recording was released in 1974, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.