La negra Tomasa

Recording by Compay Segundo.

Recording identifiers

ISRC
ES5010080011
CopyrightID (CopyrightChains transaction hash)
0x2937d62c9ed4eac2777ce04f57455716d699197b24e6d2895f9feaecbf6fb80a
Copyright registration time
2026-06-04T07:37:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:3bf4ddcc5ca3017205053039273f5597fa56ce1c0ba05dd3de8ff082164a8273

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.