Os Rios Que Correm Pro Mar

Recording by Silvio Caldas.

Recording identifiers

ISRC
BRBMG4400018
CopyrightID (CopyrightChains transaction hash)
0xbbfb9d7484c8b4f2926c7cfbf8c5077560c38b517caf0ef631c8eae5771b25d0
Copyright registration time
2026-07-31T05:50:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T06:42:11Z
Bitcoin block
960360
Canonical record hash
sha256:742c4f8e4cb0d1045805eff5665d585564862314cdee367b2251f3b314d113ab

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.