ISRC QZS652293081
Verified recording
QZS652293081 is “Smile” by Chico Problema,
registered on the CopyrightChains blockchain with CopyrightID
0x56d2c1861765a04310f8b598610a3423c06168c5dc1f44ff0f56f1a53e75de4a and independently timestamped
in Bitcoin block 960473 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZS652293081.
Recording identifiers
- ISRC
- QZS652293081
- Title
- Smile
- Artist
- Chico Problema
- CopyrightID (CopyrightChains transaction hash)
0x56d2c1861765a04310f8b598610a3423c06168c5dc1f44ff0f56f1a53e75de4a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T22:27:44+00:00
- Bitcoin block
- 960473
- Canonical record hash
sha256:70ee5c87c6d79f3fba0b22d22ea035d14cad059c14e74b7d5d668342b4b52101- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZS652293081
- Bitcoin block existence check
- https://blockstream.info/api/block/960473