ISRC GBZ521921302
Verified recording
GBZ521921302 is “Sleeper” by Tokky Horror,
registered on the CopyrightChains blockchain with CopyrightID
0x9c3b85e57ea975dfdcedea224edbf8f58371c2e285582ae7183e2b3f9240fb0e and independently timestamped
in Bitcoin block 960105 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBZ521921302.
Recording identifiers
- ISRC
- GBZ521921302
- Title
- Sleeper
- Artist
- Tokky Horror
- CopyrightID (CopyrightChains transaction hash)
0x9c3b85e57ea975dfdcedea224edbf8f58371c2e285582ae7183e2b3f9240fb0e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T12:35:17+00:00
- Bitcoin block
- 960105
- Canonical record hash
sha256:558ca80a2b5b849c671bfa4d7e9d1aeacb2d1ba78dd86fa095c87bc13d5f666d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBZ521921302
- Bitcoin block existence check
- https://blockstream.info/api/block/960105