ISRC US83Z2129767
Verified recording
US83Z2129767 is “Comet” by Mark Hoffen,
registered on the CopyrightChains blockchain with CopyrightID
0xc1c48b293d5abe93953d7d8e1c58e7c4363233352140aa344ff58f272a1ac7b5 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/US83Z2129767.
Recording identifiers
- ISRC
- US83Z2129767
- Title
- Comet
- Artist
- Mark Hoffen
- CopyrightID (CopyrightChains transaction hash)
0xc1c48b293d5abe93953d7d8e1c58e7c4363233352140aa344ff58f272a1ac7b5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:2ed63c224718ea1b6f316b90a4284e9937ea11a5284d630a77b8634dcf63800e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US83Z2129767
- Bitcoin block existence check
- https://blockstream.info/api/block/957118