ISRC USRC11901296
Verified recording
USRC11901296 is “Nina” by Calboy,
registered on the CopyrightChains blockchain with CopyrightID
0xf1f68770b5363f2b75281d8d811349f94137f2f35c5b6121129612e9d9398242 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/USRC11901296.
Recording identifiers
- ISRC
- USRC11901296
- Title
- Nina
- Artist
- Calboy
- CopyrightID (CopyrightChains transaction hash)
0xf1f68770b5363f2b75281d8d811349f94137f2f35c5b6121129612e9d9398242
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:3d849530d0ed9e28033d5849a584f847d116ee9a85247fe332606a2bacb213a8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRC11901296
- Bitcoin block existence check
- https://blockstream.info/api/block/953520