Regra Três

Recording by Toquinho.

Recording identifiers

ISRC
BRPGD7300005
CopyrightID (CopyrightChains transaction hash)
0xc12b8fcf74e36141b22a9ac8d233ec81ca692059cb0d52ef684ee7bee8b4a237
Copyright registration time
2026-07-30T00:48:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T01:10:20Z
Bitcoin block
960183
Canonical record hash
sha256:84a09068906e5d89c34e9a3fdc44a82a2ebdef85d7bc82e6676fcd4a07764cfa

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.