Simples Cantiga

Recording by João Carreiro.

Recording identifiers

ISRC
BXJBS1500012
CopyrightID (CopyrightChains transaction hash)
0x18416c17323358643d8ab2b0bad071fb7701513f2b5c6a6a841317d54cfb9d9a
Copyright registration time
2026-06-20T06:29:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:46df83b279d39b8349ac98ca6121b2f20db806d192fbb6c2d1c1acf39d542707

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.