ISRC QZES91993213
Verified recording
QZES91993213 is “Smile.” by Osayuki,
registered on the CopyrightChains blockchain with CopyrightID
0xa468d3c617703f8bea1eec2ff2acd60886be817afab5b74dba6036ee04251d6e and independently timestamped
in Bitcoin block 960435 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES91993213.
Recording identifiers
- ISRC
- QZES91993213
- Title
- Smile.
- Artist
- Osayuki
- CopyrightID (CopyrightChains transaction hash)
0xa468d3c617703f8bea1eec2ff2acd60886be817afab5b74dba6036ee04251d6e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T16:33:26+00:00
- Bitcoin block
- 960435
- Canonical record hash
sha256:1fbca2f61effbd1e1ada8a4e4c748e371fbf8a8ad9afbe7dc2cb5b6fd306ab13- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES91993213
- Bitcoin block existence check
- https://blockstream.info/api/block/960435