ISRC NLD321000100
Verified recording
NLD321000100 is “Johnny” by Hef,
registered on the CopyrightChains blockchain with CopyrightID
0x603b3db7bfe31f4cb7890ed341ea59797e2ce51c6a73bbc7fd7cfc4bdd6df540 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD321000100.
Recording identifiers
- ISRC
- NLD321000100
- Title
- Johnny
- Artist
- Hef
- CopyrightID (CopyrightChains transaction hash)
0x603b3db7bfe31f4cb7890ed341ea59797e2ce51c6a73bbc7fd7cfc4bdd6df540
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:c2a4c03c4c0158d9e2d52f62e0d937c3fb3dcb6699158778a53a112bda726738- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD321000100
- Bitcoin block existence check
- https://blockstream.info/api/block/953520