Ô sereia, sereia... eu nunca vi

Recording by Mestres Navegantes.

Recording identifiers

ISRC
BR33T1700015
CopyrightID (CopyrightChains transaction hash)
0xc410845a8d4c02af33ff040d5867a60a0981ceb0131b8b68d7c85559ef1fb398
Copyright registration time
2026-07-22T12:18:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T12:33:25Z
Bitcoin block
959128
Canonical record hash
sha256:0805e5693dbac2c775d87e14631176484657f55770adb1073f346849b6dc07d7

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.