ISRC JPT552400626

Verified recording

JPT552400626 is “はじめてのわがまま” by MAYUKO, registered on the CopyrightChains blockchain with CopyrightID 0x2340459da999822755136f4874ebd1e303e48334a76b4bddadeb5e16c11bc906 and independently timestamped in Bitcoin block 960370 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPT552400626.

Recording identifiers

ISRC
JPT552400626
Title
はじめてのわがまま
Artist
MAYUKO
CopyrightID (CopyrightChains transaction hash)
0x2340459da999822755136f4874ebd1e303e48334a76b4bddadeb5e16c11bc906

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T08:38:45+00:00
Bitcoin block
960370
Canonical record hash
sha256:f6956d894a3bfba520c26977827741cfe4c8088a1a1dfcc7aae752ddd8088311
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPT552400626
Bitcoin block existence check
https://blockstream.info/api/block/960370

Full record

Track page: はじめてのわがまま · Machine-readable JSON-LD