La Vuelta de Obligado

Recording by Alfredo Zitarrosa.

Recording identifiers

ISRC
UYC120900323
CopyrightID (CopyrightChains transaction hash)
0xd37f909bef4cb628f46008d2515b76df72805c84eaeaddb04e726e18f46ce1da
Copyright registration time
2026-06-10T21:09:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:9935d063ade4df0243adc12b3ca3629f7d5b635f106d36fa4630fe1c42d93bd1

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.