ISRC UKUZW2000710
Verified recording
UKUZW2000710 is “Blackbird (Arr. for Guitar)” by John Lennon,
registered on the CopyrightChains blockchain with CopyrightID
0x2b01f548e63051327dff19245143d77a0c7fa0c0f22312f2643dedf59c208422 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/UKUZW2000710.
Recording identifiers
- ISRC
- UKUZW2000710
- Title
- Blackbird (Arr. for Guitar)
- Artist
- John Lennon
- CopyrightID (CopyrightChains transaction hash)
0x2b01f548e63051327dff19245143d77a0c7fa0c0f22312f2643dedf59c208422
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:c06f9547c783bd4e4e2ae7a9a67f4b593254c05939681c6920538de91cf8b424- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UKUZW2000710
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Blackbird (Arr. for Guitar) · Machine-readable JSON-LD