ISRC NOFKF9802060
Verified recording
NOFKF9802060 is “Black Widow” by Knut Reiersrud,
registered on the CopyrightChains blockchain with CopyrightID
0x707907fbabb720422a9733dfdb1c5c45ca4fb2733c5ec2595b0537c9f4cb964f and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOFKF9802060.
Recording identifiers
- ISRC
- NOFKF9802060
- Title
- Black Widow
- Artist
- Knut Reiersrud
- CopyrightID (CopyrightChains transaction hash)
0x707907fbabb720422a9733dfdb1c5c45ca4fb2733c5ec2595b0537c9f4cb964f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:def2009ad1011c74bc15b93b759feff8cde6db560c21c6b6a94254b075878e5e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOFKF9802060
- Bitcoin block existence check
- https://blockstream.info/api/block/957118