ISRC QZLBC2100246
Verified recording
QZLBC2100246 is “4K” by Duckwrth,
registered on the CopyrightChains blockchain with CopyrightID
0x89d69792a96472025af2d118b04f53ccb30b0a1850476f33d07e3e546e142069 and independently timestamped
in Bitcoin block 953536 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZLBC2100246.
Recording identifiers
- ISRC
- QZLBC2100246
- Title
- 4K
- Artist
- Duckwrth
- CopyrightID (CopyrightChains transaction hash)
0x89d69792a96472025af2d118b04f53ccb30b0a1850476f33d07e3e546e142069
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T17:25:41+00:00
- Bitcoin block
- 953536
- Canonical record hash
sha256:9eff0b12a926a5025def5ee1e40bd865488a2e506f295e37f1b01d7e07493a1e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZLBC2100246
- Bitcoin block existence check
- https://blockstream.info/api/block/953536