Una mulata en la Habana

Recording by Adalberto Alvarez.

Recording identifiers

ISRC
USZZR0710793
CopyrightID (CopyrightChains transaction hash)
0xf6afb894fb1ad4d90ca85436da2ea102e8cb98d8b82ed39290d1981129d6656f
Copyright registration time
2026-06-06T13:24:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:be05a479fa60d0d08a857b59ebf8d559e56145221959eb72290b829204d7aaea

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.