Rio de Janeiro Blue

Recording by Nicolette Larson.

Recording identifiers

ISRC
USWB10403912
CopyrightID (CopyrightChains transaction hash)
0xb11537fc6428a8464bc2d2ece4be3f93c8218d16db079528f9c563121e9dd014
Copyright registration time
2026-06-19T17:41:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:6ea8c35b5b1d2fb488e77aa64803201beefb53763cc7339d635b058d666b13c6

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.