Canto de Ossanha

Recording by Quarteto Em Cy.

Recording identifiers

ISRC
QM6MZ1482136
CopyrightID (CopyrightChains transaction hash)
0x3a3e06b5c6ee0c15e71e2e054b8cd04c9ff3904122cf5888ed125cd9ad78d9b4
Copyright registration time
2026-06-25T13:01:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:2a7d7db22e22f3b57c9c85dbd775cc6ce693afdfe9e2e65f22ac61860f06a814

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.