ISRC QZFZ72387752
Verified recording
QZFZ72387752 is “Checkmate” by Lappy,
registered on the CopyrightChains blockchain with CopyrightID
0x4ea1f9bd25d05cb8cb13213f1d538b82c072b03d1817e34d19630fc0eb797df6 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ72387752.
Recording identifiers
- ISRC
- QZFZ72387752
- Title
- Checkmate
- Artist
- Lappy
- CopyrightID (CopyrightChains transaction hash)
0x4ea1f9bd25d05cb8cb13213f1d538b82c072b03d1817e34d19630fc0eb797df6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:06adf9d0500d93f9cc21f37b76dee96e96df877ef68466c16fd3c1e0dd46ab31- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ72387752
- Bitcoin block existence check
- https://blockstream.info/api/block/953520