A Pretinha

Recording by Paulo de Carvalho.

Recording identifiers

ISRC
PTUM71700298
CopyrightID (CopyrightChains transaction hash)
0x32e41dee14825af33b7e251328651f2d36cd2056522835f2e21ca12d6155aa6a
Copyright registration time
2026-07-06T19:49:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:905dd02e71fce7cca53239c556c780c1b9bd30a20a85e65e6e3e6be1b5c8ce6b

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.