Dueto

Recording by Nara Leão.

Recording identifiers

ISRC
BRMCA8000156
CopyrightID (CopyrightChains transaction hash)
0x1952931641d277850100d2db4442064c2d3be734daaf4456b55b6292a0d66466
Copyright registration time
2026-06-07T13:58:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:0a69af23fd2c238cfa241adb8a8e946cc2ac2b4b5294c5c29f3668f6ef01c666

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.