Nocturne

Recording by Sven-Bertil Taube.

Recording identifiers

ISRC
SEPQA1101394
CopyrightID (CopyrightChains transaction hash)
0x1704372262b6b5c23feb2f1003ebf3375ced8499f3834850713e806521b86801
Copyright registration time
2026-01-28T17:58:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:31466be9b74dfadad097c89268aca11d55f46289aa95e317e6bdbb75b48b4f6a

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.