Filiberto

Recording by Compay Segundo y su grupo.

Recording identifiers

ISRC
US2BR9700471
CopyrightID (CopyrightChains transaction hash)
0xd03b8d33bbbfd5e74ba50b70cba1e5ea7a9ea992ce2d94b0ee376d7377f74bc0
Copyright registration time
2026-06-08T23:02:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:d744ec49af6b4fb820b94f5769edf5ddff1bc408a49f09aa4306b185f68643fd

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.