あの日の風鈴

Recording identifiers

ISRC

JPKI01214394

CopyrightID (CopyrightChains transaction hash)

0x23e364fc7e7655d8116891f07bbe90c7e05dc4288a7a4517427746fce5027faa

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-30T09:37:10Z

Bitcoin block

960236

Canonical record hash

sha256:f64b97b8290124504815873d6fbcfbd5ddd0acf7200f58977f05870c79cc679e

• 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.