Prelude in A Major

Recording by Francisco Tárrega.

Recording identifiers

ISRC
ITI890600329
CopyrightID (CopyrightChains transaction hash)
0x54f16144421f7625bfd8f2194889853f253248cfe8c2fbe7dced691baa7098aa
Copyright registration time
2026-07-06T09:58:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T09:18:01Z
Bitcoin block
957020
Canonical record hash
sha256:aa3386a2d7f062ed5c6958c81171af6cd50f9e5ac0376ef17e38ddf8d364f2be

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.