Cuando un Amigo Se Va (En Vivo)

Recording by Alberto Cortez.

Recording identifiers

ISRC
ARF390700547
CopyrightID (CopyrightChains transaction hash)
0xd21cbe0c998e51aa410438abf9508fb06b4c230c5848621b80b212317903e5bb
Copyright registration time
2026-07-07T07:44:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:82145caaf6dc6fd998ce8ff3ce1c0b373c21f26bb0245449765be7a2394b299a

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.