ISRC QZRP52130352
Verified recording
QZRP52130352 is “Threwback” by 23Kayb,
registered on the CopyrightChains blockchain with CopyrightID
0x2cd78cfb20cc47500b23b2ebaf7ffc95f0f7ed8171d21b21877f2f596543a84a and independently timestamped
in Bitcoin block 960455 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZRP52130352.
Recording identifiers
- ISRC
- QZRP52130352
- Title
- Threwback
- Artist
- 23Kayb
- CopyrightID (CopyrightChains transaction hash)
0x2cd78cfb20cc47500b23b2ebaf7ffc95f0f7ed8171d21b21877f2f596543a84a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:41e02cb7baf0d221764c8567a72684b5251109f9f4815c38ce6248d0dde72314- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZRP52130352
- Bitcoin block existence check
- https://blockstream.info/api/block/960455