Prelude in F-Sharp Minor

Recording by Francisco Tárrega.

Recording identifiers

ISRC
ITI890600333
CopyrightID (CopyrightChains transaction hash)
0x7df148051a9acc1c725dda1b350c7f6fee09ff6255f2c895e6cae8140f52399e
Copyright registration time
2026-07-07T03:11:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7f0ee00944801736b46388c557fba58340f2f1fff400f468faad88933ed2c483

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.