Forbidden City

Recording by Kotaro Nakagawa.

Recording identifiers

ISRC
JPG750800500
CopyrightID (CopyrightChains transaction hash)
0xe3ace94273bf71bb8c36b08bb24bdf5f2a9efde89e207e100a3685937a34002a
Copyright registration time
2026-06-09T14:35:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:4f8c9f6874fad494b1e4ca9beaaaf57ef3ac7fb97ea0180700614a9ca3b8ac61

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.