ISRC JPK631805238

Verified recording

JPK631805238 is “B-Messenger -strings quartet-” by Nobuaki Nobusawa, registered on the CopyrightChains blockchain with CopyrightID 0x81028598b6d269fb77280e777ad9cf476fe7420fe88acecc15a3cc4278fe1477 and independently timestamped in Bitcoin block 953513 on 2026-06-13. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPK631805238.

Recording identifiers

ISRC
JPK631805238
Title
B-Messenger -strings quartet-
Artist
Nobuaki Nobusawa
CopyrightID (CopyrightChains transaction hash)
0x81028598b6d269fb77280e777ad9cf476fe7420fe88acecc15a3cc4278fe1477

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07+00:00
Bitcoin block
953513
Canonical record hash
sha256:bcf0604b71521eb4ff625afb8473202360ba6a56f8d6a248171cd3207595f723
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPK631805238
Bitcoin block existence check
https://blockstream.info/api/block/953513

Full record

Track page: B-Messenger -strings quartet- · Machine-readable JSON-LD