ISRC JPU971911057
Verified recording
JPU971911057 is “予感（ソプラノ）” by 大熊崇子,
registered on the CopyrightChains blockchain with CopyrightID
0xa8f5300ecf498a0b0b0844655643a133f8b33966342c548822007967b1936245 and independently timestamped
in Bitcoin block 960187 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPU971911057.
Recording identifiers
- ISRC
- JPU971911057
- Title
- 予感（ソプラノ）
- Artist
- 大熊崇子
- CopyrightID (CopyrightChains transaction hash)
0xa8f5300ecf498a0b0b0844655643a133f8b33966342c548822007967b1936245
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T01:34:28+00:00
- Bitcoin block
- 960187
- Canonical record hash
sha256:9425fc00e69a9330ab54ae14b7db5472ee1b8781286f6a0cb79a5a7014fc360d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPU971911057
- Bitcoin block existence check
- https://blockstream.info/api/block/960187