Danzón Nr. 2 - Live

Recording by Arturo Márquez.

Recording identifiers

ISRC
NOCJB2301002
CopyrightID (CopyrightChains transaction hash)
0x370b2e33550072b39f765a20c2c3e8d26f2760cef7cc98d3dfd87c61b73559e8
Copyright registration time
2026-07-07T02:38:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8e79aec251f24e24f0c24979d84342d931af7ab60490ec77d73b9e6835785717

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.