ISRC USHM91767121
Verified recording
USHM91767121 is “Matryoshka-Toska” by Doug Thomas,
registered on the CopyrightChains blockchain with CopyrightID
0x234a6265d3ab0a72c669f3f599b45d971adf4f5880c30a687ba7918c61246edb and independently timestamped
in Bitcoin block 959123 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM91767121.
Recording identifiers
- ISRC
- USHM91767121
- Title
- Matryoshka-Toska
- Artist
- Doug Thomas
- CopyrightID (CopyrightChains transaction hash)
0x234a6265d3ab0a72c669f3f599b45d971adf4f5880c30a687ba7918c61246edb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T11:35:32+00:00
- Bitcoin block
- 959123
- Canonical record hash
sha256:a6388f3b2c707226cd65c361f02dfdea675d3e978dc27e610d5fec888293b94d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM91767121
- Bitcoin block existence check
- https://blockstream.info/api/block/959123