ISRC USUM70958697
Verified recording
USUM70958697 is “Harmonica Free Form” by John Mayall,
registered on the CopyrightChains blockchain with CopyrightID
0x38ea5eeeb825d5e6841218120d9a2e3569e0439741740a7b1837f193b17ed9ce 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/USUM70958697.
Recording identifiers
- ISRC
- USUM70958697
- Title
- Harmonica Free Form
- Artist
- John Mayall
- CopyrightID (CopyrightChains transaction hash)
0x38ea5eeeb825d5e6841218120d9a2e3569e0439741740a7b1837f193b17ed9ce
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:edaf905bd5861fbd6a15a5abf03483e25e4faa75026c106754f1bdddf34942ce- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM70958697
- Bitcoin block existence check
- https://blockstream.info/api/block/957118