Igrejinha Azul - Ao Vivo

Recording by Matogrosso & Mathias.

Recording identifiers

ISRC
QZW9K2379522
CopyrightID (CopyrightChains transaction hash)
0x0f272736f5162dab0b553428fe78c8ea56c6c57c75bd607ffdcd98adf96012d6
Copyright registration time
2026-06-10T01:51:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:010b50c0468a311f8e0a293d19bf8084e8c3c2c0af49c5024df03dca6ee49d18

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.