Train of Thought

Recording by a-ha.

Recording identifiers

ISRC
USWB19901215
CopyrightID (CopyrightChains transaction hash)
0x3d9ef994dfc6df68b22eb1aa9c97270cb637a1a0abc8bd91fb44eb6e021bf0b7
Copyright registration time
2026-06-04T10:40:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:ac292b28b8515ca7bda62a3657ad9687e847d706158468757957f710feff0eb3

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.