ISRC USAR12300108
Verified recording
USAR12300108 is “This Is What A Sad Song Sounds Like” by Mike Posner,
registered on the CopyrightChains blockchain with CopyrightID
0x245ecd11d3f79687ad815a0bf20592ab1b1bd4e557df931d64bf606a3313d968 and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAR12300108.
Recording identifiers
- ISRC
- USAR12300108
- Title
- This Is What A Sad Song Sounds Like
- Artist
- Mike Posner
- CopyrightID (CopyrightChains transaction hash)
0x245ecd11d3f79687ad815a0bf20592ab1b1bd4e557df931d64bf606a3313d968
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:a0bff5cd7e56f099bec5c6afb49ad425b9561e3d117824abdb21200155503a98- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAR12300108
- Bitcoin block existence check
- https://blockstream.info/api/block/953515
Full record
Track page: This Is What A Sad Song Sounds Like · Machine-readable JSON-LD