Quadras soltas

Recording by Tony De Matos.

Recording identifiers

ISRC
PTVC16600013
CopyrightID (CopyrightChains transaction hash)
0xcdd8e18fc3f0750cd2f64947fbd8d73ba905066e029bb810cf9b662f12914a92
Copyright registration time
2026-07-07T00:31:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d1fbbca170a7a9a0741a2981539515890bbd84ece557a3ccff8be1c9174cb5e3

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.