ISRC TCAFT2190491
Verified recording
TCAFT2190491 is “Knock Knock” by Layfullstop,
registered on the CopyrightChains blockchain with CopyrightID
0x181e0606cf07a45b881a13b63c6e327a5e89bda76f7d33036cbad2035d3da28b and independently timestamped
in Bitcoin block 960389 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAFT2190491.
Recording identifiers
- ISRC
- TCAFT2190491
- Title
- Knock Knock
- Artist
- Layfullstop
- CopyrightID (CopyrightChains transaction hash)
0x181e0606cf07a45b881a13b63c6e327a5e89bda76f7d33036cbad2035d3da28b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T10:20:10+00:00
- Bitcoin block
- 960389
- Canonical record hash
sha256:fbe193a842ed747736841de300b6fbf08e141601683a992b61f718db5d1ce43d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAFT2190491
- Bitcoin block existence check
- https://blockstream.info/api/block/960389