Preludio No. 5 in E Major

Recording by Francisco Tárrega.

Recording identifiers

ISRC
ITX921003289
CopyrightID (CopyrightChains transaction hash)
0xe75469ae017fb692229bdf4fc8c8094cad4f3ec6b07852c53d9cfd6886899174
Copyright registration time
2026-07-30T00:57:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T01:10:20Z
Bitcoin block
960183
Canonical record hash
sha256:3468c552b033c895c15515aa2e10585168c6da5f2acd1bc5705843378f220300

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.