Marieta

Recording by Francisco Tárrega.

Recording identifiers

ISRC
NLA508209714
CopyrightID (CopyrightChains transaction hash)
0xe7a77e955176cf85980a82c951f323da021b5f038b03bde6fe918b45101e65b5
Copyright registration time
2026-06-27T06:45:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:7cbd5aeb5c11dcf76e8b304ba7a267225bf4c9c12f59ee8e9335493c08bcacbb

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.