El Muñeco de la Ciudad

Recording by La Sonora Matancera.

Recording identifiers

ISRC
QM6MZ1737573
CopyrightID (CopyrightChains transaction hash)
0xf527382e456016bfd6b0e320b926a9720cb68bafe55edb8ec9dcafa88f4a299f
Copyright registration time
2026-07-29T21:43:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T21:51:49Z
Bitcoin block
960150
Canonical record hash
sha256:aa6f85c5c2468c0dce896c99b8cba0b8c5373310fc83741fa6745c8c57144568

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.