ISRC QZTAT2172268
Verified recording
QZTAT2172268 is “Apology From Seattle” by John Mackk,
registered on the CopyrightChains blockchain with CopyrightID
0xdb22c190ee8b392999c43e5a5c0ac9a7e2d9f6417dc9a01e6f40ba950c9cbfa7 and independently timestamped
in Bitcoin block 960222 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAT2172268.
Recording identifiers
- ISRC
- QZTAT2172268
- Title
- Apology From Seattle
- Artist
- John Mackk
- CopyrightID (CopyrightChains transaction hash)
0xdb22c190ee8b392999c43e5a5c0ac9a7e2d9f6417dc9a01e6f40ba950c9cbfa7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:48:45+00:00
- Bitcoin block
- 960222
- Canonical record hash
sha256:473c19c7ac98a7d526dd7adca790829d46592357efc8222ad6ffc95b19833253- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAT2172268
- Bitcoin block existence check
- https://blockstream.info/api/block/960222