Buey Viejo

Recording by Septeto Nacional de Ignacio Piñeiro.

Recording identifiers

ISRC
USDBB0992124
CopyrightID (CopyrightChains transaction hash)
0x9636515fe155ba8a47e6e565a86ca83dfc9b45d3dfa72356ea0b0b8cdbe503a7
Copyright registration time
2026-07-31T08:37:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T09:09:19Z
Bitcoin block
960376
Canonical record hash
sha256:399c48bbef32a0ad5179454b25046d612c18836bb3f40cbadc357624f4950d76

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.