ISRC USBC19300640
Verified recording
USBC19300640 is “Blackbird/Bye Bye Blackbird” by John Lennon,
registered on the CopyrightChains blockchain with CopyrightID
0xa6cc7dd04db94af221143a79ca543b7622ed94efe1004b869ccfc852ff0c749d and independently timestamped
in Bitcoin block 960229 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19300640.
Recording identifiers
- ISRC
- USBC19300640
- Title
- Blackbird/Bye Bye Blackbird
- Artist
- John Lennon
- CopyrightID (CopyrightChains transaction hash)
0xa6cc7dd04db94af221143a79ca543b7622ed94efe1004b869ccfc852ff0c749d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T08:30:10+00:00
- Bitcoin block
- 960229
- Canonical record hash
sha256:293ffcd44f1a1ae86497fee81c5fd5a93d4089760e8179c0962c8b7c2c626462- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19300640
- Bitcoin block existence check
- https://blockstream.info/api/block/960229
Full record
Track page: Blackbird/Bye Bye Blackbird · Machine-readable JSON-LD