Prelude No. 1 in D Minor

Recording by Francisco Tárrega.

Recording identifiers

ISRC
NLY331501591
CopyrightID (CopyrightChains transaction hash)
0x855ad6297e029deb9679164e6d6029ef3a45dd8028b191d0e0c92705a189f4c6
Copyright registration time
2026-06-22T04:11:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:008b18934863b107fc16747a30ec0f57ce5196a9a52509762f1e0d93e8afa312

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.