Estudio No. 6 in E Minor

Recording by Agustín Barrios Mangoré.

Recording identifiers

ISRC
HKI191800114
CopyrightID (CopyrightChains transaction hash)
0xd56c27ee408b16020d0d91c5a067a9ec123333bea6c9fb2428dec61b57bc18a0
Copyright registration time
2026-06-26T21:46:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:7fb803dd279e15150c17f9eb22335642319bd30206a405254d9ae10d7fff0de8

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.