ISRC KRA381500065
Verified recording
KRA381500065 is “Knock Knock” by APRIL,
registered on the CopyrightChains blockchain with CopyrightID
0xd3fb60e481eca822ff425136997a96db166a82298c402aef97661fd98dd47a90 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA381500065.
Recording identifiers
- ISRC
- KRA381500065
- Title
- Knock Knock
- Artist
- APRIL
- CopyrightID (CopyrightChains transaction hash)
0xd3fb60e481eca822ff425136997a96db166a82298c402aef97661fd98dd47a90
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:0cd92e83c259e90b84f5f2d2114e73249c1bffb033a4bf24ec33ed01578cc07d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA381500065
- Bitcoin block existence check
- https://blockstream.info/api/block/960138