ISRC USUM72017461
Verified recording
USUM72017461 is “Smile - Tough Love Remix” by Katy Perry,
registered on the CopyrightChains blockchain with CopyrightID
0xbdb7665f638359c0e8ac83822b88b13c9961d6a0fd2917fb43bddbe9250a5d2d and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72017461.
Recording identifiers
- ISRC
- USUM72017461
- Title
- Smile - Tough Love Remix
- Artist
- Katy Perry
- CopyrightID (CopyrightChains transaction hash)
0xbdb7665f638359c0e8ac83822b88b13c9961d6a0fd2917fb43bddbe9250a5d2d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:be51795c6bd8f519595b0adf2984d6e9afa3a8fa825f901d32d82b79dd0ad013- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72017461
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Smile - Tough Love Remix · Machine-readable JSON-LD