Contrato De Separação

Recording by Nana Caymmi.

Recording identifiers

ISRC
BREMI7900202
CopyrightID (CopyrightChains transaction hash)
0x9193621ecf4b2d10f5d3577d842c480763785f6c3eab4bc70f2accaae790b286
Copyright registration time
2026-06-25T22:19:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:08a2976ddbf15f16488ac0093691048804321cda4810282baaaf137a7ddcb664

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.