Nocturne

Recording by Dobrinka Tabakova.

Recording identifiers

ISRC
USL4R2135812
CopyrightID (CopyrightChains transaction hash)
0xd1c91356780a110c82e1e662b558ab0ec1fdcea771f83c097520e2387b23037a
Copyright registration time
2026-06-06T05:53:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:8a8700105099c0bc209439488586539fab2d4f8122811fba6a08c266f1daa2fe

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.