『約束』 T-1

Recording by Hiroshi Miyagawa.

Recording identifiers

ISRC
JPZ921515371
Release date of the album this recording appears on
2016-01-27
CopyrightID (CopyrightChains transaction hash)
0xf1f6985377c414e389e2ee726b67eb50b77ab82d6781045ca75291dfe21f304d
Copyright registration time
2026-07-07T15:43:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:0ce33c1b2724fa6172c036c0ac1ebab28571c04720d9829b4f39fd2605da7ea2

What this proof establishes

This recording was released in 2016, 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.