ISRC NLCK42231727
Verified recording
NLCK42231727 is “Yes or No” by COIDO,
registered on the CopyrightChains blockchain with CopyrightID
0x539b9368a59da580cb1d9deee3ac24196209b2f0531d04a83c942961df6537c4 and independently timestamped
in Bitcoin block 960218 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLCK42231727.
Recording identifiers
- ISRC
- NLCK42231727
- Title
- Yes or No
- Artist
- COIDO
- CopyrightID (CopyrightChains transaction hash)
0x539b9368a59da580cb1d9deee3ac24196209b2f0531d04a83c942961df6537c4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T06:57:05+00:00
- Bitcoin block
- 960218
- Canonical record hash
sha256:fa2f3a7fa865a8a98fab5fdc8b39587e2bd6075fd825d7d7c445e2dd10205f96- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLCK42231727
- Bitcoin block existence check
- https://blockstream.info/api/block/960218