Chôro da saudade

Recording by Agustín Barrios Mangoré.

Recording identifiers

ISRC
USTE10308612
CopyrightID (CopyrightChains transaction hash)
0x7a20c74b5c265434b8939876ca8276c3b8ef0b5c1554e1f4a1e3cde8c20fe304
Copyright registration time
2026-07-07T02:00:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f5a4f97c809e5cc97e736c96f91176ecae29dce2db95d82bd6df1c562c13f43f

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.