ISRC USGZ21242660
Verified recording
USGZ21242660 is “Laying My Heart On The Line” by First Class,
registered on the CopyrightChains blockchain with CopyrightID
0x61fb2a01ce42c3d09a1fb1ecc9ad75b12af52bc99e858eb6efd51ce6118b1bfc 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/USGZ21242660.
Recording identifiers
- ISRC
- USGZ21242660
- Title
- Laying My Heart On The Line
- Artist
- First Class
- CopyrightID (CopyrightChains transaction hash)
0x61fb2a01ce42c3d09a1fb1ecc9ad75b12af52bc99e858eb6efd51ce6118b1bfc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:f650f6839701e80d7007175771897f3b5f9eaa4ab33af7a449a202201dde76b8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USGZ21242660
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Laying My Heart On The Line · Machine-readable JSON-LD