ISRC US4E41637605
Verified recording
US4E41637605 is “Fortress” by Sick Of It All,
registered on the CopyrightChains blockchain with CopyrightID
0x88a1ee871a047c952f4b920d52b26168e5c2f6bb2f282e87bd07988118af6f47 and independently timestamped
in Bitcoin block 960340 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4E41637605.
Recording identifiers
- ISRC
- US4E41637605
- Title
- Fortress
- Artist
- Sick Of It All
- CopyrightID (CopyrightChains transaction hash)
0x88a1ee871a047c952f4b920d52b26168e5c2f6bb2f282e87bd07988118af6f47
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T03:15:04+00:00
- Bitcoin block
- 960340
- Canonical record hash
sha256:e99193f282d87cee957d4d4874a709edbc56180473b42e5c522967b2b7747be1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4E41637605
- Bitcoin block existence check
- https://blockstream.info/api/block/960340