ISRC QZK6K2312315
Verified recording
QZK6K2312315 is “The Child's Heart” by Sefu,
registered on the CopyrightChains blockchain with CopyrightID
0xc890e166c36407552cfc709cfdcf7e592636e8346da06589e52b080aa4bb80bf and independently timestamped
in Bitcoin block 960509 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6K2312315.
Recording identifiers
- ISRC
- QZK6K2312315
- Title
- The Child's Heart
- Artist
- Sefu
- CopyrightID (CopyrightChains transaction hash)
0xc890e166c36407552cfc709cfdcf7e592636e8346da06589e52b080aa4bb80bf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T04:30:37+00:00
- Bitcoin block
- 960509
- Canonical record hash
sha256:e57934501773f4a7d083187a958a2ad736b7f793cad3d6a4a4a2438743770c7b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6K2312315
- Bitcoin block existence check
- https://blockstream.info/api/block/960509