Tô Feliz (Matei o Presidente) 2

Recording by Chemical Surf.

Recording identifiers

ISRC
BRRGE1810092
CopyrightID (CopyrightChains transaction hash)
0x6f544b75976847720d017a8bbc3114fa5956cf2059215a2b871ecab4edfc69b9
Copyright registration time
2026-06-10T18:23:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:71f37d47e7396d83f0ef1f01016a95ba0962d311e6d984a52abc52205c3d0ef0

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.