ISRC QZS7J2215458
Verified recording
QZS7J2215458 is “Playground” by Black Caviar,
registered on the CopyrightChains blockchain with CopyrightID
0x9aee88968ac0cdcfec053e21e6cbd39217ed3f9dd43189ae6196fd7e9ecfb035 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZS7J2215458.
Recording identifiers
- ISRC
- QZS7J2215458
- Title
- Playground
- Artist
- Black Caviar
- CopyrightID (CopyrightChains transaction hash)
0x9aee88968ac0cdcfec053e21e6cbd39217ed3f9dd43189ae6196fd7e9ecfb035
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:1e311a42d18fb362f666a5fbc35400bf86d7a99c7daa8096ce0bedb69e18bd5b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZS7J2215458
- Bitcoin block existence check
- https://blockstream.info/api/block/957118