El Llanto de un Angel

Recording by Cuarteto Mayari.

Recording identifiers

ISRC
USMRE0814107
CopyrightID (CopyrightChains transaction hash)
0x608e950b95b020ecd4cebe2012281817e9f81a1d4341f601b31b4d5bb1d97287
Copyright registration time
2026-06-21T12:56:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:fa1abe6d42c95593c6044bfadf147b74f428a6fd02be7951ca05961e03d8baa1

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.