Os Cinco Bailes da História do Rio

Recording by Dona Ivone Lara.

Recording identifiers

ISRC
BRWMB9702009
CopyrightID (CopyrightChains transaction hash)
0xd3ecb7c5498bb358f135aff3f85e7919fbeae32de614c12f9d9db173641d3a3b
Copyright registration time
2026-06-19T14:32:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:c249fca41a6e846c94cf17e969412c6af7023c6b22178da316ef751df888df80

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.