Levende Lyd

Recording by Halvdan Sivertsen.

Recording identifiers

ISRC
NOPLB0402030
CopyrightID (CopyrightChains transaction hash)
0x1969d648cd3b226f3baa0b46ab004dab08963ceeddf33b4b814cb1578c9aaae1
Copyright registration time
2026-06-21T11:24:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:07:00Z
Bitcoin block
957061
Canonical record hash
sha256:138de290542109c79136669efa94253a56b0ec739ca212bf7d5fa5a64235ff2f

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.