A Violeira

Recording by Quarteto Em Cy.

Recording identifiers

ISRC
BRPGD9700451
CopyrightID (CopyrightChains transaction hash)
0xfb79fdcd3b1c896851f9d76a7f1d858c4589e8a88f28d8a9394b0481015db87d
Copyright registration time
2026-06-23T15:57:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:30c047b2fe5fa821151eea2c21c696f68a4f099079d9e805586c5d13713f15a0

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.