ISRC NOFKF9307050
Verified recording
NOFKF9307050 is “Helene Harefrøken” by Alf Prøysen,
registered on the CopyrightChains blockchain with CopyrightID
0x1c7d800e449d31e36771bc68d62a835f4d53994d623563b3245a5e598f7ca26b and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOFKF9307050.
Recording identifiers
- ISRC
- NOFKF9307050
- Title
- Helene Harefrøken
- Artist
- Alf Prøysen
- CopyrightID (CopyrightChains transaction hash)
0x1c7d800e449d31e36771bc68d62a835f4d53994d623563b3245a5e598f7ca26b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:2f625dfe3c08e88e0321769709aef9ac1bcaab70e0057be86dffafd8d56d7778- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOFKF9307050
- Bitcoin block existence check
- https://blockstream.info/api/block/956304