ISRC NLA521503855
Verified recording
NLA521503855 is “Engelkens, Door 't Luchtruim Zwevend” by Het Urker Mannenkoor 'Hallelujah',
registered on the CopyrightChains blockchain with CopyrightID
0x8bb20485fa239ff18a8a492784ee1233a5b8d4a917e6e9c5848332d9f2ad59e3 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA521503855.
Recording identifiers
- ISRC
- NLA521503855
- Title
- Engelkens, Door 't Luchtruim Zwevend
- Artist
- Het Urker Mannenkoor 'Hallelujah'
- CopyrightID (CopyrightChains transaction hash)
0x8bb20485fa239ff18a8a492784ee1233a5b8d4a917e6e9c5848332d9f2ad59e3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:4b0843ea5825578a7ff8645ff5c8044e4b5a8cad085f8a9f868dde316ba313c1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA521503855
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Engelkens, Door 't Luchtruim Zwevend · Machine-readable JSON-LD