No. 3, Marieta

Recording by Francisco Tárrega.

Recording identifiers

ISRC
HKI199201220
CopyrightID (CopyrightChains transaction hash)
0x78b286417a51f905b68b3e5e9db0a4ec4757d25268d6bba25a50be6f0399bc04
Copyright registration time
2026-06-22T21:53:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d0cc9c6bf07e762407f368f3549201c60545c8b1e90d641e08ce17609ad27060

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.