Curva de Rio

Recording by Sérgio Pererê.

Recording identifiers

ISRC
BRJ052200009
CopyrightID (CopyrightChains transaction hash)
0x1f7a4941d7a9112a22b1167bfc74a0c5321555c18355d8874f28ec531a6a8bba
Copyright registration time
2026-07-08T00:14:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:435478002deb3627a6dbec1f84373d7078dfdc0db5eda2b499737cf51d048708

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.