ISRC USUM72405286
Verified recording
USUM72405286 is “First Time” by Cruza,
registered on the CopyrightChains blockchain with CopyrightID
0x39ac47ba42ead72f2a8738a806ed2f9aeaae47e1a91686c1837d05821269ba52 and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72405286.
Recording identifiers
- ISRC
- USUM72405286
- Title
- First Time
- Artist
- Cruza
- CopyrightID (CopyrightChains transaction hash)
0x39ac47ba42ead72f2a8738a806ed2f9aeaae47e1a91686c1837d05821269ba52
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:2d2573a246318c514c4c8df3569abaa9407d481193e5587ce333ee6518e0f494- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72405286
- Bitcoin block existence check
- https://blockstream.info/api/block/953513