ISRC NOFKF9303070
Verified recording
NOFKF9303070 is “Vårvise” by Alf Prøysen,
registered on the CopyrightChains blockchain with CopyrightID
0x5c7d1ae59f4398ba07f9490044385dd2d48547e0d1d1b30237747c36e52918f3 and independently timestamped
in Bitcoin block 960300 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOFKF9303070.
Recording identifiers
- ISRC
- NOFKF9303070
- Title
- Vårvise
- Artist
- Alf Prøysen
- CopyrightID (CopyrightChains transaction hash)
0x5c7d1ae59f4398ba07f9490044385dd2d48547e0d1d1b30237747c36e52918f3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T19:42:40+00:00
- Bitcoin block
- 960300
- Canonical record hash
sha256:9b47e53ce17f5b22546bad56e9b3b60d8571def2d735d1703f5cb64645abf598- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOFKF9303070
- Bitcoin block existence check
- https://blockstream.info/api/block/960300