ISRC QZ9Y21780335
Verified recording
QZ9Y21780335 is “Knock It Off” by LB SPIFFY,
registered on the CopyrightChains blockchain with CopyrightID
0x8b71ad923b099f3a061262c57ffcb8dffe585d15e8904e2f3cec0534ac1adf2c and independently timestamped
in Bitcoin block 959144 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ9Y21780335.
Recording identifiers
- ISRC
- QZ9Y21780335
- Title
- Knock It Off
- Artist
- LB SPIFFY
- CopyrightID (CopyrightChains transaction hash)
0x8b71ad923b099f3a061262c57ffcb8dffe585d15e8904e2f3cec0534ac1adf2c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T15:38:35+00:00
- Bitcoin block
- 959144
- Canonical record hash
sha256:b5e901156a1d084691e24d3fd0938ed3fb52baa50d0c2cccacf4a5729657ad65- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ9Y21780335
- Bitcoin block existence check
- https://blockstream.info/api/block/959144