懐かしい風景

Recording by Kaori Muraji.

Recording identifiers

ISRC
JPPO01410955
CopyrightID (CopyrightChains transaction hash)
0x262a5dc31bd334be2ccbf37771bc6e1d0036b75bd492f1f9394fc3b2daca43bd
Copyright registration time
2026-06-08T04:24:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:49fb03742fd0945e66ff4e65b396066e2739cedf8ca4f6605f988ce65dc9f4ef

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.