ISRC USSM12305388
Verified recording
USSM12305388 is “Workin' Hard” by Mariah Carey,
registered on the CopyrightChains blockchain with CopyrightID
0xeb2bdca0120e6dab103d85c7879d2677aad9ed1772169fbe927dcf9c2cabf4d7 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/USSM12305388.
Recording identifiers
- ISRC
- USSM12305388
- Title
- Workin' Hard
- Artist
- Mariah Carey
- CopyrightID (CopyrightChains transaction hash)
0xeb2bdca0120e6dab103d85c7879d2677aad9ed1772169fbe927dcf9c2cabf4d7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:f38e5d206b09ad966ec666554837bc3b4fb67c566e2843c05de2ef0f74870c8b- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12305388
- Bitcoin block existence check
- https://blockstream.info/api/block/953515