ISRC CZUM72301412
Verified recording
CZUM72301412 is “U Know” by Blako,
registered on the CopyrightChains blockchain with CopyrightID
0xca58876253bbd2fd7a6fa71f717f321a0d1a9806da2d98b9c27201e0c1441533 and independently timestamped
in Bitcoin block 960095 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM72301412.
Recording identifiers
- ISRC
- CZUM72301412
- Title
- U Know
- Artist
- Blako
- CopyrightID (CopyrightChains transaction hash)
0xca58876253bbd2fd7a6fa71f717f321a0d1a9806da2d98b9c27201e0c1441533
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T11:07:37+00:00
- Bitcoin block
- 960095
- Canonical record hash
sha256:cbc342199fc641cf23f889a2f0935abb618b5842359e3dbea58405f0dd12c419- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM72301412
- Bitcoin block existence check
- https://blockstream.info/api/block/960095