Na hora do adeus

Recording by Matogrosso & Mathias.

Recording identifiers

ISRC
BRWMB9705947
CopyrightID (CopyrightChains transaction hash)
0xbd8f708e139d15bb40613441c20318c00bfa97f58e0149ed9ed035df2768aaf5
Copyright registration time
2026-06-04T08:48:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:5b24de0142560f41f29212bf94b6c7696fe85963063e99ed7b9a6768df089f05

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.