ISRC USSM10207223
Verified recording
USSM10207223 is “Serve Yourself” by Mark Hardwick,
registered on the CopyrightChains blockchain with CopyrightID
0x4f014581598efdc279bd688bfccba5a9782ebb72c8884cde8259f2beae17002b 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/USSM10207223.
Recording identifiers
- ISRC
- USSM10207223
- Title
- Serve Yourself
- Artist
- Mark Hardwick
- CopyrightID (CopyrightChains transaction hash)
0x4f014581598efdc279bd688bfccba5a9782ebb72c8884cde8259f2beae17002b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:60411a59e2f70d6da51f8737e4e9a7b446009429777c47fdb0b5aff6a94dce8f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10207223
- Bitcoin block existence check
- https://blockstream.info/api/block/957118