Fado Triste

Recording by Coimbra Quintet.

Recording identifiers

ISRC
PTCN10800022
CopyrightID (CopyrightChains transaction hash)
0xe26081c442edaebc4ff86482b3236a9c02c3cd67db3e5f9bb9b591ae22b976f5
Copyright registration time
2026-07-07T18:53:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:98dd58b3ff71e0deca1d8b8b98b44c071b58ef663ed809e90e37925b9b69f412

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.