Calunga

Recording by Orquestra Afro-Brasileira.

Recording identifiers

ISRC
BRTMU0300001
CopyrightID (CopyrightChains transaction hash)
0x159d485f67880a66ba2ebe09bf8b22e32a52bf22a59cfc97362e5ce176948f34

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T04:52:22Z
Bitcoin block
960513
Canonical record hash
sha256:484538a91d12768f97a591340647a9fa0e0db0eb32403523a28ab20efc0e84b9

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.