Casalzinho - Ao Vivo

Recording by Humberto & Ronaldo.

Recording identifiers

ISRC
BR3KY1600003
CopyrightID (CopyrightChains transaction hash)
0x73b4cbb545ba272900722a852971bbb976f5075316ee49c846049d58f033ca67
Copyright registration time
2026-06-07T12:33:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:9be28fcfd03dcbaa7185c1899123652e22d07e1caf385a105d674569c8ecdc76

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.