Havemos de ir a Viana

Recording by Amália Rodrigues.

Recording identifiers

ISRC
PTVC16900106
CopyrightID (CopyrightChains transaction hash)
0x66a8f05045c3d629858e5d211bc1fc871b96bb7b4df3fc02f458945533daded5
Copyright registration time
2026-06-18T12:06:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:f5b495a9890825209dedafc490ab43dddc9804037d404e165a78f4d8ecf72d01

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.