ISRC USLD90817346
Verified recording
USLD90817346 is “Hardest” by Boss Top,
registered on the CopyrightChains blockchain with CopyrightID
0x4743ec894712c01a08ad3fe79f442762221091142364ba514497b2de30cb1b5b and independently timestamped
in Bitcoin block 960157 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLD90817346.
Recording identifiers
- ISRC
- USLD90817346
- Title
- Hardest
- Artist
- Boss Top
- CopyrightID (CopyrightChains transaction hash)
0x4743ec894712c01a08ad3fe79f442762221091142364ba514497b2de30cb1b5b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:12:10+00:00
- Bitcoin block
- 960157
- Canonical record hash
sha256:b7ccfc988b1ffd45a12ad75bfbcad721d376717396a28ca147e2bc9a94919a15- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLD90817346
- Bitcoin block existence check
- https://blockstream.info/api/block/960157