ISRC USPR37102623
Verified recording
USPR37102623 is “Grandad” by John Mayall,
registered on the CopyrightChains blockchain with CopyrightID
0xdcbc22c81e63a268b5062c3d42df4f79aef08deca5e9127fcf61f3bbabe62e28 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/USPR37102623.
Recording identifiers
- ISRC
- USPR37102623
- Title
- Grandad
- Artist
- John Mayall
- CopyrightID (CopyrightChains transaction hash)
0xdcbc22c81e63a268b5062c3d42df4f79aef08deca5e9127fcf61f3bbabe62e28
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:206b46be58f99942cde3b0dba845cf93f8dc833b6b756499b1590f7a1c540fd5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USPR37102623
- Bitcoin block existence check
- https://blockstream.info/api/block/957118