ISRC USSM11606977
Verified recording
USSM11606977 is “Surefire” by John Legend,
registered on the CopyrightChains blockchain with CopyrightID
0xc60e9905e4084edf1b396937560f0dd56338cf797380ed07a02f6db63a4a6f12 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/USSM11606977.
Recording identifiers
- ISRC
- USSM11606977
- Title
- Surefire
- Artist
- John Legend
- CopyrightID (CopyrightChains transaction hash)
0xc60e9905e4084edf1b396937560f0dd56338cf797380ed07a02f6db63a4a6f12
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:6ef8e49937c39308a20f11e1b945dd80a5b94cad1051f82dcf9eadceb1386c8a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11606977
- Bitcoin block existence check
- https://blockstream.info/api/block/953513