ISRC NLH3Q1900299
Verified recording
NLH3Q1900299 is “The Hardness” by Prefix & Density,
registered on the CopyrightChains blockchain with CopyrightID
0x961722f91f1496c6f1f75391224cbf10a71e68c2daf18bd4298c3938bc68a6bf and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLH3Q1900299.
Recording identifiers
- ISRC
- NLH3Q1900299
- Title
- The Hardness
- Artist
- Prefix & Density
- CopyrightID (CopyrightChains transaction hash)
0x961722f91f1496c6f1f75391224cbf10a71e68c2daf18bd4298c3938bc68a6bf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:3e091ecff738a056b569340ec335e9fd753578d26f139664ff2b1f397a6d73ca- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLH3Q1900299
- Bitcoin block existence check
- https://blockstream.info/api/block/956304