Variações em Ré

Recording by Francisco Carvalhinho.

Recording identifiers

ISRC
PTCN11200185
CopyrightID (CopyrightChains transaction hash)
0x0e61dac07af1f93c832a63117b1f9147cdde70c6c5581e4e77b2264084131249
Copyright registration time
2026-07-07T16:56:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:727c105564b628151469ece009b083352f02590d73ed4af71224d63fc799d70b

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.