ISRC USHM91136980
Verified recording
USHM91136980 is “Knows” by Mark Lettieri,
registered on the CopyrightChains blockchain with CopyrightID
0x009272158c8ddf6be275d32d1e0334639fcfaa3a7c0a04d52fe14fb17753b526 and independently timestamped
in Bitcoin block 960095 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM91136980.
Recording identifiers
- ISRC
- USHM91136980
- Title
- Knows
- Artist
- Mark Lettieri
- CopyrightID (CopyrightChains transaction hash)
0x009272158c8ddf6be275d32d1e0334639fcfaa3a7c0a04d52fe14fb17753b526
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T11:07:37+00:00
- Bitcoin block
- 960095
- Canonical record hash
sha256:06991be1df6ae961765bf8eff5d64f8fc02f7e22707f438c92ec88def087826f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM91136980
- Bitcoin block existence check
- https://blockstream.info/api/block/960095