Pretinha

Recording by Humberto & Ronaldo.

Recording identifiers

ISRC
BXQWK2400003
CopyrightID (CopyrightChains transaction hash)
0x59c6989083b465f0d7d3b79bd7f5b8b1638193fa019c1ab045fe05a4b0ae2780
Copyright registration time
2026-06-04T13:22:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:87b139b3166035d62a27ba9d7a82c8f530634d52387848bcfe6e4c295d2bc199

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.