ISRC USUM71207186
Verified recording
USUM71207186 is “Lost” by Frank Ocean,
registered on the CopyrightChains blockchain with CopyrightID
0x13944c1ed1b2053357b971523a680378081f25e8a337faf60dbacf9a2eb1fd4e and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71207186.
Recording identifiers
- ISRC
- USUM71207186
- Title
- Lost
- Artist
- Frank Ocean
- CopyrightID (CopyrightChains transaction hash)
0x13944c1ed1b2053357b971523a680378081f25e8a337faf60dbacf9a2eb1fd4e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:68ef9bdbb0003aebc3298cdd913a85e1b54ac69bcbd9ea5454eee56ce521665e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71207186
- Bitcoin block existence check
- https://blockstream.info/api/block/953513