Refazenda

Recording by Quarteto Em Cy.

Recording identifiers

ISRC
BRCID9900125
CopyrightID (CopyrightChains transaction hash)
0x022e060f226922de3ed53e547cb1074c23524351f56452aec9dfef7bbd7aca89
Copyright registration time
2026-07-07T22:15:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:226b052eb8001a2fb7fc5c68372c51470cf40aea4ed299050c2d18d013b277e2

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.