千秋仙蔵／蒼天文次郎 (Instrumental ver.)

Recording identifiers

ISRC

JPR502301113

CopyrightID (CopyrightChains transaction hash)

0x4e1925303bf7a3b0a13f33c8817c7b86f02be361ed74a4f4f05549b0bdc8616b

Copyright registration time

2026-07-06T10:17:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-07T18:39:05Z

Bitcoin block

957073

Canonical record hash

sha256:423412ce2e10301830e676f7c435cfc8fb18dd21adb3322960fb2e222d339639

• 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.