Recuerdo

Recording by Alberto Castillo.

Recording identifiers

ISRC
ART340900687
CopyrightID (CopyrightChains transaction hash)
0x7f462d9492b0314b718a3d159faedb2b02480081663b67da8ea63854b7fc8fe0
Copyright registration time
2026-06-22T12:50:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:78d0c48d95e05ab3f3181a3775fd25b6ee8aacb05048893a6a712c61ec708552

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.