ISRC QZTAZ2246274
Verified recording
QZTAZ2246274 is “STFU!” by Letoa,
registered on the CopyrightChains blockchain with CopyrightID
0xbf87fa9f7e0309731810bf8c9cadb7094a1eeed9245baf3e217f53baa4c05e9c and independently timestamped
in Bitcoin block 959123 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAZ2246274.
Recording identifiers
- ISRC
- QZTAZ2246274
- Title
- STFU!
- Artist
- Letoa
- CopyrightID (CopyrightChains transaction hash)
0xbf87fa9f7e0309731810bf8c9cadb7094a1eeed9245baf3e217f53baa4c05e9c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T11:35:32+00:00
- Bitcoin block
- 959123
- Canonical record hash
sha256:d39392a097d99cf21f9f880f20028942a12ca4c7304c742d2af22dc42a4f7a81- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAZ2246274
- Bitcoin block existence check
- https://blockstream.info/api/block/959123