ISRC NLCK42211140
Verified recording
NLCK42211140 is “Upside Down” by PRFCT Mandem,
registered on the CopyrightChains blockchain with CopyrightID
0xc46d598e93b9f7c6003fdbdaddaee5fc0fa6c58a40a77dc13997d0da61d0a88a and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLCK42211140.
Recording identifiers
- ISRC
- NLCK42211140
- Title
- Upside Down
- Artist
- PRFCT Mandem
- CopyrightID (CopyrightChains transaction hash)
0xc46d598e93b9f7c6003fdbdaddaee5fc0fa6c58a40a77dc13997d0da61d0a88a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:285364a511da3325192af53868563f418d3547d42286fbb086d099c5ed6b5fa8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLCK42211140
- Bitcoin block existence check
- https://blockstream.info/api/block/960441