ISRC USUM70503521
Verified recording
USUM70503521 is “Boyfriend” by Ashlee Simpson,
registered on the CopyrightChains blockchain with CopyrightID
0x36c7869254661a9c0c4d41fc3cb9bb4878115b69323d8d7d8a59fbb69fd41390 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/USUM70503521.
Recording identifiers
- ISRC
- USUM70503521
- Title
- Boyfriend
- Artist
- Ashlee Simpson
- CopyrightID (CopyrightChains transaction hash)
0x36c7869254661a9c0c4d41fc3cb9bb4878115b69323d8d7d8a59fbb69fd41390
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:54c14cda71634ac64db284816bd72ad34b0dcf5b72378983ab0dbb849eed101a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM70503521
- Bitcoin block existence check
- https://blockstream.info/api/block/953513