ISRC USWWW0200751
Verified recording
USWWW0200751 is “Exercise In C” by John Mayall,
registered on the CopyrightChains blockchain with CopyrightID
0x09daf3dbfc38fc2d865d3cd2987c39274a71548ae3cef685f6b7180a944da16f and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USWWW0200751.
Recording identifiers
- ISRC
- USWWW0200751
- Title
- Exercise In C
- Artist
- John Mayall
- CopyrightID (CopyrightChains transaction hash)
0x09daf3dbfc38fc2d865d3cd2987c39274a71548ae3cef685f6b7180a944da16f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:f0279821354c305ed0de1cbba25e84c102bc5de9b7f087fef3eea1dc7d5407e2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USWWW0200751
- Bitcoin block existence check
- https://blockstream.info/api/block/953520