Un Atardecer en Cuba

Recording identifiers

ISRC

ESAAI0278859

CopyrightID (CopyrightChains transaction hash)

0x5d3761c20848517b500fead8d4374c266f3f6ec5b88ad185babd20eec7305d91

Copyright registration time

2026-06-06T11:48:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-06-13T12:47:07Z

Bitcoin block

953513

Canonical record hash

sha256:133219909125d309b1be9d6258cb33d34bdc7aa527aba6294b8ac89aa78cc124

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.