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

Full record

Track page: Slide Rule · Machine-readable JSON-LD