ISRC CZUM71900246
Verified recording
CZUM71900246 is “Talk” by Koky,
registered on the CopyrightChains blockchain with CopyrightID
0x7b300c228ddd3209606abd36b7880fa02c102b62f053dacac02677e86cd0dabb and independently timestamped
in Bitcoin block 960291 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71900246.
Recording identifiers
- ISRC
- CZUM71900246
- Title
- Talk
- Artist
- Koky
- CopyrightID (CopyrightChains transaction hash)
0x7b300c228ddd3209606abd36b7880fa02c102b62f053dacac02677e86cd0dabb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T18:23:33+00:00
- Bitcoin block
- 960291
- Canonical record hash
sha256:111a04c7eeaa9b57fa11a0ec6dbd0bfc9647874d6fee377ab0dc0cec04042b4b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71900246
- Bitcoin block existence check
- https://blockstream.info/api/block/960291