Pra Acabar Com a Tristeza

Recording by João Martins.

Recording identifiers

ISRC
BRZ721100003
CopyrightID (CopyrightChains transaction hash)
0x84c8b4da629622460908be00c5dd3329775463bb079178fe39a62e52aa86bddb
Copyright registration time
2026-06-19T18:03:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:b49fc2143945e72ca5da91df1945e9a07a64c467b551a16df67fac4381dc3bf3

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.