De Dois

Recording by Paulinho Pedra Azul.

Recording identifiers

ISRC
BRPHM1100012
CopyrightID (CopyrightChains transaction hash)
0xf6cb9e4ff138c8d1c9f5855804f905836f6d0eb486701f4c8589fd757e950a8e
Copyright registration time
2026-07-30T21:59:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T22:27:30Z
Bitcoin block
960321
Canonical record hash
sha256:433f459949d6d9e88ad7f488c1eb4e695b777b420e02fc424f7992466f839084

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.