ISRC FRR642200408
Verified recording
FRR642200408 is “Heart” by winnterzuko,
registered on the CopyrightChains blockchain with CopyrightID
0x3f5c5d0c57aff1ae9b151aea73b5b5abbd829397299ca0fd3f6b4ef82f876761 and independently timestamped
in Bitcoin block 960200 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRR642200408.
Recording identifiers
- ISRC
- FRR642200408
- Title
- Heart
- Artist
- winnterzuko
- CopyrightID (CopyrightChains transaction hash)
0x3f5c5d0c57aff1ae9b151aea73b5b5abbd829397299ca0fd3f6b4ef82f876761
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T02:37:10+00:00
- Bitcoin block
- 960200
- Canonical record hash
sha256:b296a200eb085605cc89ead045523a8f7cc4a464f728e32b811f7f9ec2b4afb1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRR642200408
- Bitcoin block existence check
- https://blockstream.info/api/block/960200