ISRC US4HB2000135
Verified recording
US4HB2000135 is “Sleepwalking” by Super Duper,
registered on the CopyrightChains blockchain with CopyrightID
0x58b11fad3e6581a75353a819c2969b746706c45a52097572f2d6752f3ef0c2ef and independently timestamped
in Bitcoin block 957124 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4HB2000135.
Recording identifiers
- ISRC
- US4HB2000135
- Title
- Sleepwalking
- Artist
- Super Duper
- CopyrightID (CopyrightChains transaction hash)
0x58b11fad3e6581a75353a819c2969b746706c45a52097572f2d6752f3ef0c2ef
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:53:27+00:00
- Bitcoin block
- 957124
- Canonical record hash
sha256:27b5c911adedf42c3e40865b11a3c07f71f996dd774f94e4a2fd9619d38ef6ae- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4HB2000135
- Bitcoin block existence check
- https://blockstream.info/api/block/957124