ISRC JPU901803136
Verified recording
JPU901803136 is “放課後の音楽室” by Gontiti,
registered on the CopyrightChains blockchain with CopyrightID
0x4848edb763e062915077369fbc56eef74701cdf97cfe2c40d43cd031f47224b7 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPU901803136.
Recording identifiers
- ISRC
- JPU901803136
- Title
- 放課後の音楽室
- Artist
- Gontiti
- CopyrightID (CopyrightChains transaction hash)
0x4848edb763e062915077369fbc56eef74701cdf97cfe2c40d43cd031f47224b7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:018d5a7bc7142b70f788693a1fdd7b27d3b0282018f43d8d34b4d15c727e574c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPU901803136
- Bitcoin block existence check
- https://blockstream.info/api/block/957118