ISRC USCA20701999
Verified recording
USCA20701999 is “Duration Blues” by Johnny Mercer,
registered on the CopyrightChains blockchain with CopyrightID
0xe5f06e9cc4a818ff96efe53d2b2f40f8886eef70312247a1138c216cd1e7ac4f 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/USCA20701999.
Recording identifiers
- ISRC
- USCA20701999
- Title
- Duration Blues
- Artist
- Johnny Mercer
- CopyrightID (CopyrightChains transaction hash)
0xe5f06e9cc4a818ff96efe53d2b2f40f8886eef70312247a1138c216cd1e7ac4f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:4c8046f532d29073cb16fb4ed2d944e45387b46b9a43fc6fb3f3c4d2fbcaac85- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCA20701999
- Bitcoin block existence check
- https://blockstream.info/api/block/957118