Ouça Bem

Recording by Igor de Carvalho.

Recording identifiers

ISRC
BX3IH1800001
CopyrightID (CopyrightChains transaction hash)
0xd029e52e67c3966b3dbdb1db3e51abb8a9905c115694eb49c20717595c685f02
Copyright registration time
2026-07-30T22:28:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T00:26:26Z
Bitcoin block
960327
Canonical record hash
sha256:ae21bffb4cd44ab27fd240c0df0174246a55ebb13fc215be6afb267a0244b85f

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.