Contra Corrente

Recording by Carlinhos Vergueiro.

Recording identifiers

ISRC
BRRGE7800123
CopyrightID (CopyrightChains transaction hash)
0xb36221b1b5696001d96bcb6fcfc48ff3b59b4d84a717415f97cb9391e8f0e256
Copyright registration time
2026-07-07T05:56:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:ee9b773e925dc4b887917be51142357bf57a6e6b2d5f56f9296cc4b8931746aa

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.