ISRC USLD91747946
Verified recording
USLD91747946 is “Which One You Working” by Blacc Zacc,
registered on the CopyrightChains blockchain with CopyrightID
0xc49b7dee00de2061f8db461cc8beb54336f2343b65e65fdf2ad627b65ac61954 and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLD91747946.
Recording identifiers
- ISRC
- USLD91747946
- Title
- Which One You Working
- Artist
- Blacc Zacc
- CopyrightID (CopyrightChains transaction hash)
0xc49b7dee00de2061f8db461cc8beb54336f2343b65e65fdf2ad627b65ac61954
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:253b3742f60a67c0092eea543dc686b4feeee73b8ae02e0620129337747b1908- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLD91747946
- Bitcoin block existence check
- https://blockstream.info/api/block/960327
Full record
Track page: Which One You Working · Machine-readable JSON-LD