Canto De Obá

Recording by Quarteto Em Cy.

Recording identifiers

ISRC
BREMI7200881
CopyrightID (CopyrightChains transaction hash)
0xa755b87419dc1137451c2397f0f14fb53ed0e2eb455eb61eee69d48276651c80
Copyright registration time
2026-06-18T05:33:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:5c5e88d0e673a5e5f7e47dd0d07a323e08d7c9645673511e1f030bb4ebc94479

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.