Havemos de Ir a Viana

Recording by Amália Rodrigues.

Recording identifiers

ISRC
PTVC11900012
CopyrightID (CopyrightChains transaction hash)
0x4024004ef0b3cdb27fa1a0e2e1d9de9eaa17978c7a9df75b97cc76617a3473fb
Copyright registration time
2026-07-07T05:56:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e4ef8d66d2302ab482d2b0fd312af85ce9affb84a6d21f78db058f80fb10acf1

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.