ISRC TCAFT2149880
Verified recording
TCAFT2149880 is “Knock Knock” by YAKZ,
registered on the CopyrightChains blockchain with CopyrightID
0x97164ef2fc1f732925b6355d31bb3f2f8a252194a16eaf3116b663c65daefdfb and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAFT2149880.
Recording identifiers
- ISRC
- TCAFT2149880
- Title
- Knock Knock
- Artist
- YAKZ
- CopyrightID (CopyrightChains transaction hash)
0x97164ef2fc1f732925b6355d31bb3f2f8a252194a16eaf3116b663c65daefdfb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:f4811f2749fd6822ed9b01ad8eb07ea642f369f3bca5a0bc5bea38f104c2e0a0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAFT2149880
- Bitcoin block existence check
- https://blockstream.info/api/block/957118