Circo Marimbondo

Recording by Pedrinho do Cavaco.

Recording identifiers

ISRC
QM6MZ1418113
CopyrightID (CopyrightChains transaction hash)
0x18e871423f999c9769514ae3b8a94d9052cdec6bc5a20b31c1c313df6db7f8db
Copyright registration time
2026-07-30T14:50:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T15:42:38Z
Bitcoin block
960273
Canonical record hash
sha256:c260c8482186f8fa28cfe90f21c301aa5acf5e16fd40e8ed64c00cb5658415b7

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.