Linda Noiva Tem Portel

Recording by Grupo Coral de Cantares Regionais de Portel.

Recording identifiers

ISRC
PTOV10300157
CopyrightID (CopyrightChains transaction hash)
0x1bbe83445d859b99de7b3680bb973edde36a0bd29baa0837496a682e8db1a2df
Copyright registration time
2026-07-06T09:03:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T15:12:44Z
Bitcoin block
957055
Canonical record hash
sha256:bffcad8e87d7320abef4b22007120a4f2307f2a5c770b99ac0f448b3643d1282

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.