ISRC JPK631805230
Verified recording
JPK631805230 is “星の奏でる歌 -strings quartet-” by Nobuaki Nobusawa,
registered on the CopyrightChains blockchain with CopyrightID
0x878215f2c1a63cdcf32b0617042986ef9830422334307d1f8d70659138e75331 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPK631805230.
Recording identifiers
- ISRC
- JPK631805230
- Title
- 星の奏でる歌 -strings quartet-
- Artist
- Nobuaki Nobusawa
- CopyrightID (CopyrightChains transaction hash)
0x878215f2c1a63cdcf32b0617042986ef9830422334307d1f8d70659138e75331
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:741319f9df3994f5abb7b7e81abd489f1f4bb248930a58bbfef462f7fb336958- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPK631805230
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: 星の奏でる歌 -strings quartet- · Machine-readable JSON-LD