Naturaleza

Recording by Cidade Negra.

Recording identifiers

ISRC
BRRGE1200230
CopyrightID (CopyrightChains transaction hash)
0x3adb038904e91b7aa8b2324ba1e187e533068caa665eece3693ebdee2f7d9dc6
Copyright registration time
2026-07-29T18:29:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:3e22eb2dc2ac00b07dcc2f9b40d042f494aac264469a3e08048d09f473f5af68

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.