Yumekui Shirokuro Baku

Recording identifiers

ISRC

JPC231500929

Release date of the album this recording appears on

2015-08-19

CopyrightID (CopyrightChains transaction hash)

0x1dad3c587e4982af38a4cc1c3dd04f7b9e4e957054c67ce0f2cbed0626a29369

Copyright registration time

2026-07-06T21:01:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:20:19Z

Bitcoin block

957118

Canonical record hash

sha256:434725883a88b36fe178c8bc2970e8a988c601d5395dfd5a1b84e09ec521f2ad

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC JPC231500929

What this proof establishes

This recording was released in 2015, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.