ISRC QZES72500001
Verified recording
QZES72500001 is “Knock Knock” by Sus,
registered on the CopyrightChains blockchain with CopyrightID
0x84f98ec5bcaa89577803b827596c4f0e0f52e2bba2ea3c8f562e20026bd33724 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/QZES72500001.
Recording identifiers
- ISRC
- QZES72500001
- Title
- Knock Knock
- Artist
- Sus
- CopyrightID (CopyrightChains transaction hash)
0x84f98ec5bcaa89577803b827596c4f0e0f52e2bba2ea3c8f562e20026bd33724
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:aa2c08e81742f802820161030067f4ce2bbce7fe4fffb1e9df66282466bdb804- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES72500001
- Bitcoin block existence check
- https://blockstream.info/api/block/953513