Tokyo Trip

Recording by Martin Jensen.

Recording identifiers

ISRC
DK4YA2309501
CopyrightID (CopyrightChains transaction hash)
0x21345d735a9d3e033d8b7894251ccf1b96ceabcb325daa39c18d9d1c15e9fe6f
Copyright registration time
2026-06-10T12:44:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:26e55d2ed577cbd8c5c8dd7d8c36e17d0222628b8a47010c7ca881b53d055abd

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.