När skolan blev förändrad

Recording by Stefan Rüdén.

Recording identifiers

ISRC
SEPQM0718265
CopyrightID (CopyrightChains transaction hash)
0x79b15abfe1fefae7486fadae77924dfeafe96707df849532b63d3b7b5bb4c111
Copyright registration time
2026-01-28T19:56:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:3513f45fb7eb3b5c77ef4a60c8188ae44b6c818dd1c029f95a8e2077183c2fcc

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.