Matiz en Caja

Recording by La Ciudad Maldita.

Recording identifiers

ISRC
US7VG1987137
CopyrightID (CopyrightChains transaction hash)
0x9862b1e771eb720d3066d667925f52187484005c00d929d329f1c54a189fc16f
Copyright registration time
2026-06-20T00:30:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:816d88791bc090544ca7a80e1260c22696a79f48f0c120b16cbe396ed603c7ee

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.