ISRC NLK509900051
Verified recording
NLK509900051 is “Days that Used to Be” by Ad Vanderveen,
registered on the CopyrightChains blockchain with CopyrightID
0xb9c2c77b87cf5e45afe6bac6f0fd006addbb672fa845edd82ee138225d1dc7d4 and independently timestamped
in Bitcoin block 960303 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK509900051.
Recording identifiers
- ISRC
- NLK509900051
- Title
- Days that Used to Be
- Artist
- Ad Vanderveen
- CopyrightID (CopyrightChains transaction hash)
0xb9c2c77b87cf5e45afe6bac6f0fd006addbb672fa845edd82ee138225d1dc7d4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:11:13+00:00
- Bitcoin block
- 960303
- Canonical record hash
sha256:2b636f767fb61cc134a4ce570a4f82b73aca6f6f134c4b56acaecf6fdfbd5179- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK509900051
- Bitcoin block existence check
- https://blockstream.info/api/block/960303