ISRC USB750400811
Verified recording
USB750400811 is “Hang Tuff Hold Tight” by MU330,
registered on the CopyrightChains blockchain with CopyrightID
0x614d0ea0596dbbbd3998433f659769a5c613fb2a1310a24c786232b8ce708f27 and independently timestamped
in Bitcoin block 960183 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB750400811.
Recording identifiers
- ISRC
- USB750400811
- Title
- Hang Tuff Hold Tight
- Artist
- MU330
- CopyrightID (CopyrightChains transaction hash)
0x614d0ea0596dbbbd3998433f659769a5c613fb2a1310a24c786232b8ce708f27
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T01:10:20+00:00
- Bitcoin block
- 960183
- Canonical record hash
sha256:183b1c47fa316c421b34f2e0b454bc1a14461af5337c1a2f22bef6d22f4b2c5e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB750400811
- Bitcoin block existence check
- https://blockstream.info/api/block/960183