Guantanamera

Recording by Orlando Contreras.

Recording identifiers

ISRC
USHM91702792
CopyrightID (CopyrightChains transaction hash)
0x9e290fd43be2e7a7506c8e3ab569b9dd607e7fe32bf36e9fb8e8157ec6916734
Copyright registration time
2026-07-31T03:48:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T04:14:58Z
Bitcoin block
960344
Canonical record hash
sha256:792fa7f45d00c1c756e11bd384c8c7d079e875492e980cf8f2fdae2f896c89f9

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.