Preludio in A Minor

Recording by Agustín Barrios Mangoré.

Recording identifiers

ISRC
HKI191800125
CopyrightID (CopyrightChains transaction hash)
0x60dd3b066805d2616591c589e41bce5060d3175cd37db7dd7746f76a242ce18c
Copyright registration time
2026-06-21T22:30:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:1821d351f7353baff8789d67d76e220aa47b9d54df0a8228df790a1a10a353ff

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.