Fração de Segundos

Recording by João Lucas & Marcelo.

Recording identifiers

ISRC
BR9O31500011
CopyrightID (CopyrightChains transaction hash)
0x5450cbeceebd42bd59e4ca10eb79fdd3a9cee8656d514442edbea7d3af7e7d60
Copyright registration time
2026-07-07T01:07:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:1fabf19f615f8372622709a2a6ef7192b347e23aa4d1c1b7fe3927d3d00305d0

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.