ISRC QZTB32337429
Verified recording
QZTB32337429 is “LAST WEEK” by KIL,
registered on the CopyrightChains blockchain with CopyrightID
0x4451c722243868adafd3e32c02856e604f1c715ad358d32c203d8d81d90014e0 and independently timestamped
in Bitcoin block 960381 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB32337429.
Recording identifiers
- ISRC
- QZTB32337429
- Title
- LAST WEEK
- Artist
- KIL
- CopyrightID (CopyrightChains transaction hash)
0x4451c722243868adafd3e32c02856e604f1c715ad358d32c203d8d81d90014e0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T09:50:11+00:00
- Bitcoin block
- 960381
- Canonical record hash
sha256:a99983965d7c1a6c04b62d5c752605b618b3bd6b2fb40fce15904ec4793750ce- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB32337429
- Bitcoin block existence check
- https://blockstream.info/api/block/960381