Medley De Dorival Caymmi: Nunca Mais / Dora / Eu Não Tenho Onde Morar

Recording identifiers

ISRC

BRUM71301084

Release date of the album this recording appears on

1974-07-01

CopyrightID (CopyrightChains transaction hash)

0x5b6c4c94b7e98d1a009d04786f2da049fed8368f4ec5d085a4f968c3a5e663c4

Copyright registration time

2026-07-30T19:25:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-30T19:42:40Z

Bitcoin block

960300

Canonical record hash

sha256:285c1770753aa87361006a9e142c2cabf5b52f9cde3a3ce56f2d3a77ac45baec

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC BRUM71301084

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.