Lá Vai O Comboio Lá Vai

Recording by Grupo Coral de Cantares Regionais de Portel.

Recording identifiers

ISRC
PTOV10300168
CopyrightID (CopyrightChains transaction hash)
0xad374b7a35a7d2bb2d66fb846d5836293ca520dc1ad4b443a4e1a0f3c77f45ec
Copyright registration time
2026-06-21T14:20:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:9babcd771eb10c4429440a6d58896b76467ceb774fa1a34d03dafc2771cc948f

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.