Frit land (revisited)

Recording by Carl Emil Petersen.

Recording identifiers

ISRC
DK2DY2200065
CopyrightID (CopyrightChains transaction hash)
0x7a25b8ee830f6fb5f81a0e397a669d0c8db611b2d9e313204ceda2023a53aee6
Copyright registration time
2026-06-05T19:01:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:e5b5ac021259309aa966e1d5be5b49afe9840e3ac094464f0f18dcadc8253514

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.