Hysj, kan du høre

Recording by Syng og Lær-koret.

Recording identifiers

ISRC
NODGN1505010
CopyrightID (CopyrightChains transaction hash)
0xa3742f83b781012044c49afb22e1b474f6cdaec617685f563e4fbb5c29a854b9
Copyright registration time
2026-06-18T10:52:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:6ae86672752ca48a8844d9634a6983c40fad4b8daa096ab3a463df30ba2a46ef

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.