Valsa de Outono

Recording by Alexandre Guerra.

Recording identifiers

ISRC
BRARP0100063
CopyrightID (CopyrightChains transaction hash)
0x5ad5f7ed1197bb8f57f1a13b5701c14724459c18443d94fdeed8060161d275ac
Copyright registration time
2026-07-31T04:41:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T05:17:02Z
Bitcoin block
960348
Canonical record hash
sha256:e776882a3bc990112e4e1f1440d8f58c295a490edeb085497ba216d5e687e98d

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.