ISRC USLD91729858
Verified recording
USLD91729858 is “Hardest” by Rot Ken,
registered on the CopyrightChains blockchain with CopyrightID
0xeee9b4be2422f2cde041ebbb688955cd59a4b90daa8a80f44c9e375017d54a7d 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/USLD91729858.
Recording identifiers
- ISRC
- USLD91729858
- Title
- Hardest
- Artist
- Rot Ken
- CopyrightID (CopyrightChains transaction hash)
0xeee9b4be2422f2cde041ebbb688955cd59a4b90daa8a80f44c9e375017d54a7d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:51ded27c70f98ecd746453d84a4f2b75db7f3a4efadc01531518a6aa89592ba8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLD91729858
- Bitcoin block existence check
- https://blockstream.info/api/block/957118