ISRC QZB4J1828268
Verified recording
QZB4J1828268 is “ChEcK” by Co Cash,
registered on the CopyrightChains blockchain with CopyrightID
0x7412e45025b855f09bcfd29f30c5ac4010acf0735cb03cace4e43f27dfde4981 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZB4J1828268.
Recording identifiers
- ISRC
- QZB4J1828268
- Title
- ChEcK
- Artist
- Co Cash
- CopyrightID (CopyrightChains transaction hash)
0x7412e45025b855f09bcfd29f30c5ac4010acf0735cb03cace4e43f27dfde4981
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:4678e4cb4d893990c4a8526952657f300b0da6ea36afeb539c28bbea796f5724- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZB4J1828268
- Bitcoin block existence check
- https://blockstream.info/api/block/956889