A Cuba

Recording by Victor Jara.

Recording identifiers

ISRC
FR10S1486164
CopyrightID (CopyrightChains transaction hash)
0xb6e3284ce2bbab9e6a78db02f3a980d2059c6253a3f1b9e116fee2769be79ac2
Copyright registration time
2026-06-07T18:14:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:8d6ecc0d21f3c894c992b8542ccf0a90ae2ff6eac753c3cf203eb64989c84a06

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.