Engaño Cruel

Recording by Cuarteto Mayari.

Recording identifiers

ISRC
USMRE0814106
CopyrightID (CopyrightChains transaction hash)
0x46040d16a9019904e4385dba6cea413cd89144b9921148821cac3b4236610230
Copyright registration time
2026-07-07T02:19:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7fb3f4937496444a3577be7f8cd3c82ae67e9785e3e731ca27372b14a682d554

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.