ISRC QZFYX2063959
Verified recording
QZFYX2063959 is “Sunday Blues” by Cantsleep,
registered on the CopyrightChains blockchain with CopyrightID
0x293c432c074ace1c8dd523daca085db72275d49bfa5a41233ea6e1517b84ac88 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/QZFYX2063959.
Recording identifiers
- ISRC
- QZFYX2063959
- Title
- Sunday Blues
- Artist
- Cantsleep
- CopyrightID (CopyrightChains transaction hash)
0x293c432c074ace1c8dd523daca085db72275d49bfa5a41233ea6e1517b84ac88
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:626c6bb7c8511cae9bef9d09a2964d8c8705c8923ea6720d1565963791ab5ec8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFYX2063959
- Bitcoin block existence check
- https://blockstream.info/api/block/960138