ISRC US7SF1354726
Verified recording
US7SF1354726 is “Laughing Rag” by Roy Smeck,
registered on the CopyrightChains blockchain with CopyrightID
0x8ceedff59582b4a74ed2092531e9f6f3733ebe6d1bc798cdb11be7de43b80ab8 and independently timestamped
in Bitcoin block 960481 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US7SF1354726.
Recording identifiers
- ISRC
- US7SF1354726
- Title
- Laughing Rag
- Artist
- Roy Smeck
- CopyrightID (CopyrightChains transaction hash)
0x8ceedff59582b4a74ed2092531e9f6f3733ebe6d1bc798cdb11be7de43b80ab8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:51:35+00:00
- Bitcoin block
- 960481
- Canonical record hash
sha256:d2d0952c0f0a850b4fb10ead00388d97854383b4297d282ae8d380f2fe508604- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US7SF1354726
- Bitcoin block existence check
- https://blockstream.info/api/block/960481