ISRC NOFHH1369090
Verified recording
NOFHH1369090 is “Impromptu” by Gustav Lundgren,
registered on the CopyrightChains blockchain with CopyrightID
0xe920e09be24cb8277027221afae90aa920aa335f245d3211b81ebffa792de36f and independently timestamped
in Bitcoin block 960379 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOFHH1369090.
Recording identifiers
- ISRC
- NOFHH1369090
- Title
- Impromptu
- Artist
- Gustav Lundgren
- CopyrightID (CopyrightChains transaction hash)
0xe920e09be24cb8277027221afae90aa920aa335f245d3211b81ebffa792de36f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T09:25:34+00:00
- Bitcoin block
- 960379
- Canonical record hash
sha256:507c3d58425ee3aa3877ee634166f44c48a57154272b8efa90ac609d46c900cc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOFHH1369090
- Bitcoin block existence check
- https://blockstream.info/api/block/960379