ISRC USSM10300441
Verified recording
USSM10300441 is “Girlfriend” by B2K,
registered on the CopyrightChains blockchain with CopyrightID
0x5b398ff13b42e9322e8e00d83e7c327ab238edeb6d7d3ae1d06cba65e6ac020e 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/USSM10300441.
Recording identifiers
- ISRC
- USSM10300441
- Title
- Girlfriend
- Artist
- B2K
- CopyrightID (CopyrightChains transaction hash)
0x5b398ff13b42e9322e8e00d83e7c327ab238edeb6d7d3ae1d06cba65e6ac020e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:ecb129ba0b1e2c9675c7abe2b9c9cf46e3dd1379c81493c0078fcde86a0772a6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10300441
- Bitcoin block existence check
- https://blockstream.info/api/block/953515