ISRC USJI11100211
Verified recording
USJI11100211 is “Till The World Ends (the Femme Fatale Remix) (feat. Nicki Minaj & Ke$ha)” by Britney Spears,
registered on the CopyrightChains blockchain with CopyrightID
0xf29d8e14a77ca98a8d57329a3135946cdf421810847798810894e830a4641a8e and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USJI11100211.
Recording identifiers
- ISRC
- USJI11100211
- Title
- Till The World Ends (the Femme Fatale Remix) (feat. Nicki Minaj & Ke$ha)
- Artist
- Britney Spears
- CopyrightID (CopyrightChains transaction hash)
0xf29d8e14a77ca98a8d57329a3135946cdf421810847798810894e830a4641a8e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:b930970ee94b2c6ee37b43474a0db87578c272049bb3c45545db43eb81ad964b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USJI11100211
- Bitcoin block existence check
- https://blockstream.info/api/block/953513
Full record
Track page: Till The World Ends (the Femme Fatale Remix) (feat. Nicki Minaj & Ke$ha) · Machine-readable JSON-LD