Por Causa da Hora

Recording by Noel Rosa.

Recording identifiers

ISRC
BRVLS3100023
CopyrightID (CopyrightChains transaction hash)
0x5b0b3f50c007de7bad321f121a43e7fffd6dde6f92b94f7e4d9c9b19b867fe58
Copyright registration time
2026-07-31T21:32:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T22:27:44Z
Bitcoin block
960473
Canonical record hash
sha256:72c784ec2caaaaf2e42b9b3406390bb4d8ee12efe096b2938fa6e48fa4dd3245

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.