Barrios Mangoré: Vals, Op. 8 No. 3

Recording by Agustín Barrios Mangoré.

Recording identifiers

ISRC
GBAYC2301531
CopyrightID (CopyrightChains transaction hash)
0x9601c0a425ef38c1696c907b5981808097ad987abe90db652c2d00bd82642ec0
Copyright registration time
2026-06-24T07:08:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:5eb2cf5ea042d3e50fa40e3ca133a66b61762401737371c36b59ace1236f6803

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.