Cabelo duro

Recording by Naná Vasconcelos e Itamar Assumpção.

Recording identifiers

ISRC
BREMP0400002
CopyrightID (CopyrightChains transaction hash)
0x261f34e9b28b5ef153ed85fd50b1b055a105f20664018d3c4cfe9388136735ef
Copyright registration time
2026-06-20T09:11:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:c563387e8dd186df10f299d58a951578ed737642a13478037b10881202a27651

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.