Preludio in C Minor

Recording by Agustín Barrios Mangoré.

Recording identifiers

ISRC
HKI191800102
CopyrightID (CopyrightChains transaction hash)
0xdedcd5f7907b6d8088e93e88ff3b2998853492575e0ebb6e810b740962fcf766
Copyright registration time
2026-06-06T16:51:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:6398d6f075239d019849c400762bc5356289a729a92913f5a7d2d3a438526eac

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.