ISRC USLD90815840
Verified recording
USLD90815840 is “Mandatory” by Icewear Vezzo,
registered on the CopyrightChains blockchain with CopyrightID
0xef3cbfd6af3fca2d5e9bf17f39ffb49b9d5f07b19e1d5a4d14f1ca7c374ae446 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/USLD90815840.
Recording identifiers
- ISRC
- USLD90815840
- Title
- Mandatory
- Artist
- Icewear Vezzo
- CopyrightID (CopyrightChains transaction hash)
0xef3cbfd6af3fca2d5e9bf17f39ffb49b9d5f07b19e1d5a4d14f1ca7c374ae446
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:ff899a07b02c2aa566db3d60f56e5277973592ce5aa5af15fc9f736ec7c06e5c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLD90815840
- Bitcoin block existence check
- https://blockstream.info/api/block/957118