Difícil

Recording by Marina Lima.

Recording identifiers

ISRC
BRPGD8600023
CopyrightID (CopyrightChains transaction hash)
0xbd0a4a149bb06ef4be8337d8f6d6d71321ab58843dafb955922ae337b47fc118
Copyright registration time
2026-06-08T22:45:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:8630c31984cb88369af020f4ebfdabf6bed538369d689c637ffb7af635736049

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.