ISRC KRA381700557
Verified recording
KRA381700557 is “Spring again (Instrumental)” by Cao Lu,
registered on the CopyrightChains blockchain with CopyrightID
0x6d4c7f54a7f7ebd1c31b9a60ee1b5f178ab3e2a4281160e2d947b6bf86b7fa0b and independently timestamped
in Bitcoin block 960404 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA381700557.
Recording identifiers
- ISRC
- KRA381700557
- Title
- Spring again (Instrumental)
- Artist
- Cao Lu
- CopyrightID (CopyrightChains transaction hash)
0x6d4c7f54a7f7ebd1c31b9a60ee1b5f178ab3e2a4281160e2d947b6bf86b7fa0b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:06:57+00:00
- Bitcoin block
- 960404
- Canonical record hash
sha256:72f09105b19e6785d7efc84c3c0f0a4fd708a5f6138a34ecbf71ab6a1f1bb396- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA381700557
- Bitcoin block existence check
- https://blockstream.info/api/block/960404
Full record
Track page: Spring again (Instrumental) · Machine-readable JSON-LD