Narita Express

Recording identifiers

ISRC

NLCK41048485

CopyrightID (CopyrightChains transaction hash)

0xe1e46cb6a8c2d2cb75b9ea9b62b01cfc35cbc5cc5f54fe6ab1ac8a2f199cb0ee

Copyright registration time

2026-07-07T18:46:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:22:41Z

Bitcoin block

957120

Canonical record hash

sha256:d44deec97c43659fd89d816f9a8095fcf271006695ec16059798bcd33696111b

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.