Desafio

Recording by Dori Caymmi.

Recording identifiers

ISRC
BREMI8202118
CopyrightID (CopyrightChains transaction hash)
0x6c4da3c370c61d8879a5dc82212e40d5fef88a3097416f25d69837745da3b991

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T05:48:18Z
Bitcoin block
960354
Canonical record hash
sha256:a20428329f105e1e8d0117f20b263f62b81824f4f9b80f2b01316e5c9efae410

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.