Campina Grande

Recording by Marcos Valle.

Recording identifiers

ISRC
BRDUM0500030
CopyrightID (CopyrightChains transaction hash)
0xe64a98935713162b67d9c1e74308370ef695b1e4b9483bc532bb59c98c38c2e0
Copyright registration time
2026-07-07T01:44:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:b7995b6b58afd9fb9c3d193c7d13eefde33a49dd1dc90709049cdebd4d91f0c5

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.