ISRC USHM91136984
Verified recording
USHM91136984 is “Slide Rule” by Mark Lettieri,
registered on the CopyrightChains blockchain with CopyrightID
0x2f521983222e03a6e5bea64843f483b038c5055f1e62d3c825b4611bedbde0d4 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/USHM91136984.
Recording identifiers
- ISRC
- USHM91136984
- Title
- Slide Rule
- Artist
- Mark Lettieri
- CopyrightID (CopyrightChains transaction hash)
0x2f521983222e03a6e5bea64843f483b038c5055f1e62d3c825b4611bedbde0d4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:1286712d7609331d2bea5cdacbc4df04ce45bbdcc0f35fa08007a6a09027992c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM91136984
- Bitcoin block existence check
- https://blockstream.info/api/block/957118