ISRC QZK6J2180918
Verified recording
QZK6J2180918 is “How's That?” by Jóhann Jóhannsson,
registered on the CopyrightChains blockchain with CopyrightID
0xfc8c5ded50673d53233ca0fd949004f3cf413dd6704967687607f4c95a913d49 and independently timestamped
in Bitcoin block 960099 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6J2180918.
Recording identifiers
- ISRC
- QZK6J2180918
- Title
- How's That?
- Artist
- Jóhann Jóhannsson
- CopyrightID (CopyrightChains transaction hash)
0xfc8c5ded50673d53233ca0fd949004f3cf413dd6704967687607f4c95a913d49
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T11:30:20+00:00
- Bitcoin block
- 960099
- Canonical record hash
sha256:1e0f5c0a8e20a91301191a9c0bc086012e8fb82864c9d4094fcd5554bd6892da- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6J2180918
- Bitcoin block existence check
- https://blockstream.info/api/block/960099