Dona Morna

Recording by Nancy Vieira.

Recording identifiers

ISRC
PT6AH2300083
CopyrightID (CopyrightChains transaction hash)
0xb7a43e5b1767d282469d0d641e502b70087e3e70a1a8a1a55cb4c028ad772ca8
Copyright registration time
2026-07-29T21:21:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T21:51:49Z
Bitcoin block
960150
Canonical record hash
sha256:019926171721f7bd9da4758d7dfee91754ab639cc21033042e2d15b9d7a2e1bb

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.