I Bakvendtland

Recording by Alf Prøysen.

Recording identifiers

ISRC
NOACF9306140
CopyrightID (CopyrightChains transaction hash)
0x5e6d80421548ed803fb385b627d05fd8a0878b2b509600793edbc51b1b0f1416
Copyright registration time
2026-06-18T23:46:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:69a5d40339841858e78254649727504168147a3aaf9f3615a26b52ba5ca37693

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.