ISRC FRZ131007130
Verified recording
FRZ131007130 is “Blackbird” by John Lennon,
registered on the CopyrightChains blockchain with CopyrightID
0x13879cab4b83f3858d8b037681bd47bfb7659d3d08a69dadb15829b4ab9ef72e and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131007130.
Recording identifiers
- ISRC
- FRZ131007130
- Title
- Blackbird
- Artist
- John Lennon
- CopyrightID (CopyrightChains transaction hash)
0x13879cab4b83f3858d8b037681bd47bfb7659d3d08a69dadb15829b4ab9ef72e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:7b55eb72b532bc2bac34cc18f10a9f326c7b029a71f0aa5f96fb6e42cb5f75dc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131007130
- Bitcoin block existence check
- https://blockstream.info/api/block/956302