Take on Me

Recording by Duke University Marching Band.

Recording identifiers

ISRC
QMFMG1408031
CopyrightID (CopyrightChains transaction hash)
0xe1534e3b6ff0b062975a40f8be23481f3b4470c5323b55bbcc103c76c3b47c16
Copyright registration time
2026-06-09T08:54:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:c2362c66d3f16701eced627776110a34dd84ce3d94f4710abfb5584f0cf87a9f

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.