ISRC USBT21600039
Verified recording
USBT21600039 is “Why Worry” by John Mayall,
registered on the CopyrightChains blockchain with CopyrightID
0xe9e72174783c825e31d85494ea3e3138059e488ba67705eea995fd633226cd48 and independently timestamped
in Bitcoin block 960403 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBT21600039.
Recording identifiers
- ISRC
- USBT21600039
- Title
- Why Worry
- Artist
- John Mayall
- CopyrightID (CopyrightChains transaction hash)
0xe9e72174783c825e31d85494ea3e3138059e488ba67705eea995fd633226cd48
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:04:34+00:00
- Bitcoin block
- 960403
- Canonical record hash
sha256:3309da2d5b7d0bcd08e7f250f4894c9a47db86d726f9f489fb1fcbcf7d22b73a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBT21600039
- Bitcoin block existence check
- https://blockstream.info/api/block/960403