Danzón no. 2

Recording by Arturo Márquez.

Recording identifiers

ISRC
NLC351017504
CopyrightID (CopyrightChains transaction hash)
0x6a7f1a6b427c0d3eb84d2888534e527e533bd236404b12046768a788948e1c9a
Copyright registration time
2026-06-05T21:50:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:a4919fa92960168b39ba608d67d4dfc72079791d0acdc978ebd1ba7f3064ca91

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.