Na Ilha

Recording by Grupo Cupuacu.

Recording identifiers

ISRC
BRP5Z0800005
CopyrightID (CopyrightChains transaction hash)
0x6736bcc2b33798c8e46675733719410f4b93113ca0e5772036e05c78c0097483
Copyright registration time
2026-07-31T03:02:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T03:15:04Z
Bitcoin block
960340
Canonical record hash
sha256:d28c8a3f3fc73830edf9e4f235d83dfa6ce6b39256f191b38959fa1df5b8e2d9

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.