ISRC USMC13864731
Verified recording
USMC13864731 is “How Long Blues” by Leroy Carr,
registered on the CopyrightChains blockchain with CopyrightID
0x1228c89f777f989e6919ec702ea9f57da089e4a2629ede39b37166a7de0e4b79 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMC13864731.
Recording identifiers
- ISRC
- USMC13864731
- Title
- How Long Blues
- Artist
- Leroy Carr
- CopyrightID (CopyrightChains transaction hash)
0x1228c89f777f989e6919ec702ea9f57da089e4a2629ede39b37166a7de0e4b79
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:12da3e2a4b38d2ff65f4286e045a60814a1e16fef0d6472d2c8cbc3b0344c397- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMC13864731
- Bitcoin block existence check
- https://blockstream.info/api/block/956889