Viúva nova

Recording by Leandro & Leonardo.

Recording identifiers

ISRC
BRWMB9704671
Release date of the album this recording appears on
2001-01-01
CopyrightID (CopyrightChains transaction hash)
0x5205a53d5caad9cc80038c4d984722606fe185d2eefe3a902e70864329ba72b9
Copyright registration time
2026-06-08T01:19:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:d8eaf6fb4db9bf9c932e06da760eabe989c6e67bcb5db0a63d57d2c121d09370

What this proof establishes

This recording was released in 2001, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.