Adieu Nocturne No. 2 in D Minor -Ade-

Recording by Carlos Marquez.

Recording identifiers

ISRC
GBSMU3856834
CopyrightID (CopyrightChains transaction hash)
0xb70b53127c34967094be91660c8cf108cc39750bb77ddcaa322ac519e296edbd
Copyright registration time
2026-06-05T13:59:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:2d7105f91b50ad343af9dbe68fcd2aafccd5b9b3792fbd011e6a8f01a0c0f745

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.