Cosas de Dos

Recording by Marta Quintero.

Recording identifiers

ISRC
ES5160500232
CopyrightID (CopyrightChains transaction hash)
0x569425d74f841bcb4ca27fc2ab74332d771076fcd346378448359d5de375e186
Copyright registration time
2026-07-07T21:13:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:a92a328786b5d016d7f81baae32a8e6dbbe01b7283d18345eeabfea49fd8e560

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.