Preludio en Do menor

Recording by Agustín Barrios Mangoré.

Recording identifiers

ISRC
QMZ621700061
CopyrightID (CopyrightChains transaction hash)
0xa036785531837f912f39fa28ed4a11d48f7fa56146c09f29271e6f92e7d8af3f
Copyright registration time
2026-07-06T23:27:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:148fb4d4e35b0ff11ea7287fc15f10bad2dab3264aede66f360bb220acfdafdc

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.