ISRC USLZJ2410471
Verified recording
USLZJ2410471 is “Why Not - Instrumental” by Marcus D,
registered on the CopyrightChains blockchain with CopyrightID
0x193714ba716d25d3413aabe39cf7f0c460fea41698564a85eafd0d85a09d7823 and independently timestamped
in Bitcoin block 960427 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLZJ2410471.
Recording identifiers
- ISRC
- USLZJ2410471
- Title
- Why Not - Instrumental
- Artist
- Marcus D
- CopyrightID (CopyrightChains transaction hash)
0x193714ba716d25d3413aabe39cf7f0c460fea41698564a85eafd0d85a09d7823
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:59:18+00:00
- Bitcoin block
- 960427
- Canonical record hash
sha256:d24989668b1c63b4ecf6e0f2ec8d719fdea1ea5bac5f6b2807fe768f95f807b1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLZJ2410471
- Bitcoin block existence check
- https://blockstream.info/api/block/960427
Full record
Track page: Why Not - Instrumental · Machine-readable JSON-LD