Valsinha - Ao Vivo

Recording by Quarteto Em Cy.

Recording identifiers

ISRC
US7VG1544007
CopyrightID (CopyrightChains transaction hash)
0x945b518d3050f575bb8c3c62533b4bab5adad804354183f237be4c512cbadac7
Copyright registration time
2026-07-07T18:41:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:1a0204b37618fe6544b270b2fbbaafc45964ed8112087391bd83b494f9636343

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.