O Blues é azul

Recording by Walter Franco.

Recording identifiers

ISRC
BRSME8000276
CopyrightID (CopyrightChains transaction hash)
0xbe012e0f0786c55eab36a3560faf003fa86243f9b7af8773e15d1bafa3db7d52
Copyright registration time
2026-07-07T04:48:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:48db8d5e0436825a866bacd8f76ea1cdb6e1ecb25a4e29754bf27ed85a700850

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.