ISRC USMC17754220
Verified recording
USMC17754220 is “The Last Time” by John Mayall,
registered on the CopyrightChains blockchain with CopyrightID
0x15663955a355e31661a4f490e77d2c1e586b849a0c09e6232762627cad1e23b1 and independently timestamped
in Bitcoin block 960340 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMC17754220.
Recording identifiers
- ISRC
- USMC17754220
- Title
- The Last Time
- Artist
- John Mayall
- CopyrightID (CopyrightChains transaction hash)
0x15663955a355e31661a4f490e77d2c1e586b849a0c09e6232762627cad1e23b1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T03:15:04+00:00
- Bitcoin block
- 960340
- Canonical record hash
sha256:9317f824bc8e0f39b0d7d7178f691421815cbe342fefbbefcfe3ed2ae562b938- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMC17754220
- Bitcoin block existence check
- https://blockstream.info/api/block/960340