Borboleta da Cidade

Recording by Nu Braz.

Recording identifiers

ISRC
ITI020600017
CopyrightID (CopyrightChains transaction hash)
0x205f286c7a5276f05156d783dce51f7d3609734e869074a21cac259642bb19c0
Copyright registration time
2026-07-07T04:35:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:45c1e76739ebd2051d41b857f577e67f7adbaff53416e8260434c9b1933ed89e

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.