Casalzinho - Ao Vivo

Recording by Humberto & Ronaldo.

Recording identifiers

ISRC
BX37T1800009
CopyrightID (CopyrightChains transaction hash)
0xe7619a9db80e6c65d09396a49ac4b1c28cca398946cc0f6214422fe26fb886ce
Copyright registration time
2026-06-23T06:54:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:dcb86742f8978d8129846b9f8d4690eaf5c566a6c5540a0783717bdf32ed1edb

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.