Tenha Dó

Recording by João Mar.

Recording identifiers

ISRC
BRGPA1400027
CopyrightID (CopyrightChains transaction hash)
0x324b3e1baf6325d7b8fa1d59a9158359ee83cd46006365bec506db78df069e7e
Copyright registration time
2026-07-06T07:15:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-13T07:53:33Z
Bitcoin block
957819
Canonical record hash
sha256:a9eaf6a6c6294dca20983fc10a56da7bd3b8ba1e0d47c9634d277e8ed6e1f255

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.