ISRC USDXS2104882
Verified recording
USDXS2104882 is “4K U” by Marzi,
registered on the CopyrightChains blockchain with CopyrightID
0x0018dafc0cebe3ae117fe910b08b2f084b1d9e4999fd4994537c0e8343105e8d and independently timestamped
in Bitcoin block 956312 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDXS2104882.
Recording identifiers
- ISRC
- USDXS2104882
- Title
- 4K U
- Artist
- Marzi
- CopyrightID (CopyrightChains transaction hash)
0x0018dafc0cebe3ae117fe910b08b2f084b1d9e4999fd4994537c0e8343105e8d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T05:09:12+00:00
- Bitcoin block
- 956312
- Canonical record hash
sha256:77e180975c91abf0b8e97e050bd4da0a71eb8c0a662c1610f7ae138224d9be85- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDXS2104882
- Bitcoin block existence check
- https://blockstream.info/api/block/956312