Divagações Sobre a Noite: No. 4

Recording by Alexandre Guerra.

Recording identifiers

ISRC
BXXRG2200021
CopyrightID (CopyrightChains transaction hash)
0xb9a0356b19d89e1dce84d562d70e119f286a9fde39fe895764b25c9e651ad0e4
Copyright registration time
2026-07-07T00:07:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8041f91b8ec938b6c024ff1383832dca9c94f7b0c3377c0d4199bec2db730f9a

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.