ISRC NLF711609204
Verified recording
NLF711609204 is “Hard 2 Find (Mix Cut) - Club Mix” by CALVO,
registered on the CopyrightChains blockchain with CopyrightID
0x9ef94f610ff0dca47ed9e6a3554dcdd6737eeddab411870e448c56dada7f74d9 and independently timestamped
in Bitcoin block 960300 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLF711609204.
Recording identifiers
- ISRC
- NLF711609204
- Title
- Hard 2 Find (Mix Cut) - Club Mix
- Artist
- CALVO
- CopyrightID (CopyrightChains transaction hash)
0x9ef94f610ff0dca47ed9e6a3554dcdd6737eeddab411870e448c56dada7f74d9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T19:42:40+00:00
- Bitcoin block
- 960300
- Canonical record hash
sha256:5d73f11247ed21b6b239d8787b77ff7d97df65b0838f9b9eef2ed17c38362c0c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLF711609204
- Bitcoin block existence check
- https://blockstream.info/api/block/960300
Full record
Track page: Hard 2 Find (Mix Cut) - Club Mix · Machine-readable JSON-LD