ISRC QZFYX2070670
Verified recording
QZFYX2070670 is “Knock Knock” by SoFaygo,
registered on the CopyrightChains blockchain with CopyrightID
0x0e37f4cdf79ef6f6e49c8ce131a7f973050ebf45319c907acca7a8ce15d6bfda and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFYX2070670.
Recording identifiers
- ISRC
- QZFYX2070670
- Title
- Knock Knock
- Artist
- SoFaygo
- CopyrightID (CopyrightChains transaction hash)
0x0e37f4cdf79ef6f6e49c8ce131a7f973050ebf45319c907acca7a8ce15d6bfda
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:7fa7ddd4b7ca626b62d3309755358d22e9d8e77f33250fba5cd055d3d8bd7ab1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFYX2070670
- Bitcoin block existence check
- https://blockstream.info/api/block/953513