Danzón No. 2

Recording by Arturo Márquez.

Recording identifiers

ISRC
QZES51980105
CopyrightID (CopyrightChains transaction hash)
0x49889cfc061911e9c928d105030003bc2040beec557ded58c495c92d98aa9e98
Copyright registration time
2026-06-23T10:44:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:7e979600ccae55a08b6a70fd5f678281e9fe63ff126f725bac658accb805a41f

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.