ISRC USU6K2200043
Verified recording
USU6K2200043 is “Sullen Lament” by ASC,
registered on the CopyrightChains blockchain with CopyrightID
0x400ff96a542388335174bb8f7ae6d659995a9ab7bd7b1a0f5e5063ba8c8d1ebe and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USU6K2200043.
Recording identifiers
- ISRC
- USU6K2200043
- Title
- Sullen Lament
- Artist
- ASC
- CopyrightID (CopyrightChains transaction hash)
0x400ff96a542388335174bb8f7ae6d659995a9ab7bd7b1a0f5e5063ba8c8d1ebe
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:50cd78f8b202e243b6cfe9e765b02aba2718f53c37379e0dd4c63dd467c7f897- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USU6K2200043
- Bitcoin block existence check
- https://blockstream.info/api/block/960441