Secretária eletrônica

Recording by Leandro & Leonardo.

Recording identifiers

ISRC
BRWMB9600269
CopyrightID (CopyrightChains transaction hash)
0x7c1558a48f4118e17811a13f416faaca45fbc08402bb9dcdf78513ee40bc2cf4
Copyright registration time
2026-06-07T21:48:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:7174c65d202d48f58c00caa19547b3277392ce98b87c4ccc13f37a43f8233e03

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.