La Vieja Serenata

Recording by Alberto Castillo.

Recording identifiers

ISRC
ART340900701
CopyrightID (CopyrightChains transaction hash)
0x933bbbf12af006a80c636f46e590df3b3f08fe87c591722a75bf11d5db238398
Copyright registration time
2026-07-06T20:30:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:702b609d12047da60fc99fec08f88c11ba741893aa6b4e5063ac778ee53ac22f

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.