ISRC GBCBR9800187
Verified recording
GBCBR9800187 is “When the Blues Are Bad” by John Mayall & The Bluesbreakers,
registered on the CopyrightChains blockchain with CopyrightID
0x83b408ecd822f4e3bc869df5847f15bf4c411b1c8ccfeb666460b72ddc2b6bd1 and independently timestamped
in Bitcoin block 960360 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCBR9800187.
Recording identifiers
- ISRC
- GBCBR9800187
- Title
- When the Blues Are Bad
- Artist
- John Mayall & The Bluesbreakers
- CopyrightID (CopyrightChains transaction hash)
0x83b408ecd822f4e3bc869df5847f15bf4c411b1c8ccfeb666460b72ddc2b6bd1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T06:42:11+00:00
- Bitcoin block
- 960360
- Canonical record hash
sha256:0638e302eefbe8465cc84667e9605396d154c244ba6f714d35e6e60cdc1b51e8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCBR9800187
- Bitcoin block existence check
- https://blockstream.info/api/block/960360
Full record
Track page: When the Blues Are Bad · Machine-readable JSON-LD