Acaçá

Recording by Nana Caymmi.

Recording identifiers

ISRC
BRRGE1300050
CopyrightID (CopyrightChains transaction hash)
0x2f25af74c64c449e096b7d668712dd896fbadc0e65c1d4b300f871a0424c0fe5
Copyright registration time
2026-06-09T08:54:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:1b938f150eb3b964404de4d2bf52fff84b03dc65bc8b7c3680bbf84369a59506

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.