ISRC UKUZW2000510
Verified recording
UKUZW2000510 is “Blackbird (Arr. for Guitar)” by John Lennon,
registered on the CopyrightChains blockchain with CopyrightID
0x4090ee04c5f8b1eebefe961e16f5ca19b09f828cf66b044f8068155ca974280d and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UKUZW2000510.
Recording identifiers
- ISRC
- UKUZW2000510
- Title
- Blackbird (Arr. for Guitar)
- Artist
- John Lennon
- CopyrightID (CopyrightChains transaction hash)
0x4090ee04c5f8b1eebefe961e16f5ca19b09f828cf66b044f8068155ca974280d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:d5eecf545227ec0d0ab125b87a66ad5d888de73eeed6fb3fb3b54a0de0c1bbef- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UKUZW2000510
- Bitcoin block existence check
- https://blockstream.info/api/block/960144
Full record
Track page: Blackbird (Arr. for Guitar) · Machine-readable JSON-LD