ISRC NLCK42223229
Verified recording
NLCK42223229 is “Knock Knock” by Current Value,
registered on the CopyrightChains blockchain with CopyrightID
0x805c3bc766ef04b770a7be33058b901fe8c01333040eee4a60c8066079759268 and independently timestamped
in Bitcoin block 960344 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLCK42223229.
Recording identifiers
- ISRC
- NLCK42223229
- Title
- Knock Knock
- Artist
- Current Value
- CopyrightID (CopyrightChains transaction hash)
0x805c3bc766ef04b770a7be33058b901fe8c01333040eee4a60c8066079759268
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T04:14:58+00:00
- Bitcoin block
- 960344
- Canonical record hash
sha256:7f71fae07a3db092a5a8925c98afc24c74ebf35d137cfb8b0a231dc1909703a3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLCK42223229
- Bitcoin block existence check
- https://blockstream.info/api/block/960344