Danzón No. 2

Recording by Arturo Márquez.

Recording identifiers

ISRC
CH6541955514
CopyrightID (CopyrightChains transaction hash)
0x760af651a76e88a798f9c27809af29fde9fbe60944fa852be16cdd5ac4f10f28
Copyright registration time
2026-06-21T05:25:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:ab3576914313b9fcb109df19156066435ef71f032011ef107364b254695434ed

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.