Havemos de ir a Viana

Recording by Amália Rodrigues.

Recording identifiers

ISRC
PTVC17000048
CopyrightID (CopyrightChains transaction hash)
0x5b1a2ca57670d8d4cf503f20ca416c6b42d817bb23e864681d3c0a928f9c80c6
Copyright registration time
2026-07-31T00:51:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15Z
Bitcoin block
960334
Canonical record hash
sha256:da906f117b9cbf83aff2a5a6b456656cab2a67405ae9d98977795f85f3416106

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.