Cidade Oculta

Recording by Eduardo Gudin.

Recording identifiers

ISRC
BRELD0500134
CopyrightID (CopyrightChains transaction hash)
0xa70fe5b4f26449058dd938c58c8d9a6aa552f83ea5acf606665d9b633f61ae38
Copyright registration time
2026-07-06T18:45:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:ece953d5d2aeb334aa43422330ae084e9b4410256a2fef35eb1d8b333aa0c8ea

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.