ISRC QZWFJ2472111
Verified recording
QZWFJ2472111 is “Knock Knock” by Sus,
registered on the CopyrightChains blockchain with CopyrightID
0x378553bf6539da6be48cdda237f9090aa318625f41860f214376f27e509cec11 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/QZWFJ2472111.
Recording identifiers
- ISRC
- QZWFJ2472111
- Title
- Knock Knock
- Artist
- Sus
- CopyrightID (CopyrightChains transaction hash)
0x378553bf6539da6be48cdda237f9090aa318625f41860f214376f27e509cec11
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:eb463161a6a659c683f42f21aeecaa224ebc529fcc6ce8f4ce9507fc132272eb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFJ2472111
- Bitcoin block existence check
- https://blockstream.info/api/block/953513