Desafio

Recording by Renato Braz.

Recording identifiers

ISRC
BR01Z1200003
CopyrightID (CopyrightChains transaction hash)
0x0b05e91caa56cd3b787e2da19af972ef98683933a2a59921c8cb8ff7cf268cf5
Copyright registration time
2026-07-30T11:12:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T12:06:10Z
Bitcoin block
960254
Canonical record hash
sha256:e9c2a1cc0e2e0c9a55a96b585470a785cc107f947db8284da918b295cf3f4ba9

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.