ISRC QZTB92263445
Verified recording
QZTB92263445 is “Pretend” by Sabi Wu,
registered on the CopyrightChains blockchain with CopyrightID
0xffc5393504ed0e5c929954f005862afa6c32c69c896b5970d3f7f85136e7b63d and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB92263445.
Recording identifiers
- ISRC
- QZTB92263445
- Title
- Pretend
- Artist
- Sabi Wu
- CopyrightID (CopyrightChains transaction hash)
0xffc5393504ed0e5c929954f005862afa6c32c69c896b5970d3f7f85136e7b63d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:27ed74338c31afdfea9343ee953599485b3c120b55bcb6b15a5ae7c2eb8b1613- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB92263445
- Bitcoin block existence check
- https://blockstream.info/api/block/960418