Estudio de concierto No. 1 in A Major

Recording by Agustín Barrios Mangoré.

Recording identifiers

ISRC
HKI191800107
CopyrightID (CopyrightChains transaction hash)
0x61e4b9dbe56e26882f8cbbe3aa46996df3bd72f8949a418fd8898b305979749b
Copyright registration time
2026-06-25T18:30:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:36ee2693df0a590b728a46a1e1b28325d3fa4911695c283dbbfed7c7c9ba9a11

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.