ISRC USA560778904
Verified recording
USA560778904 is “Killer Crack” by JR Writer,
registered on the CopyrightChains blockchain with CopyrightID
0x99c35aac1e97365cdfc5cba7651e283ed423de325967464376d6902af5102003 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560778904.
Recording identifiers
- ISRC
- USA560778904
- Title
- Killer Crack
- Artist
- JR Writer
- CopyrightID (CopyrightChains transaction hash)
0x99c35aac1e97365cdfc5cba7651e283ed423de325967464376d6902af5102003
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:0bc27cbcff392a7f7890692f23ffbe77b21d81ec59caad187953f27211a9cca6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560778904
- Bitcoin block existence check
- https://blockstream.info/api/block/960448