ISRC GBCKG0500450
Verified recording
GBCKG0500450 is “The Waves Are Sleepy” by César Cui,
registered on the CopyrightChains blockchain with CopyrightID
0xf36c645e9070f3519a38d1d13e7d5dcfdea855d8560377a680e81677bd98d068 and independently timestamped
in Bitcoin block 960207 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCKG0500450.
Recording identifiers
- ISRC
- GBCKG0500450
- Title
- The Waves Are Sleepy
- Artist
- César Cui
- CopyrightID (CopyrightChains transaction hash)
0xf36c645e9070f3519a38d1d13e7d5dcfdea855d8560377a680e81677bd98d068
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T04:47:22+00:00
- Bitcoin block
- 960207
- Canonical record hash
sha256:ef9106f56b06cc2184ff942a225d0bea2a9600f886fe25e572785d54dfc37183- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCKG0500450
- Bitcoin block existence check
- https://blockstream.info/api/block/960207