ISRC USB4U0401216
Verified recording
USB4U0401216 is “Throwing Darts” by Dag Nasty,
registered on the CopyrightChains blockchain with CopyrightID
0x4cd427d0da56bdc37f366dd3f0d4d2ae72f94e8d3412da5731cd554b81c3fd06 and independently timestamped
in Bitcoin block 959144 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB4U0401216.
Recording identifiers
- ISRC
- USB4U0401216
- Title
- Throwing Darts
- Artist
- Dag Nasty
- CopyrightID (CopyrightChains transaction hash)
0x4cd427d0da56bdc37f366dd3f0d4d2ae72f94e8d3412da5731cd554b81c3fd06
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T15:38:35+00:00
- Bitcoin block
- 959144
- Canonical record hash
sha256:5eb12081b8dfbeb3db4a12277aaf715482d65106b7bd7c8cd569617fdcec78db- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB4U0401216
- Bitcoin block existence check
- https://blockstream.info/api/block/959144