ISRC USCA21101608
Verified recording
USCA21101608 is “Last Friday Night (T.G.I.F.)” by Katy Perry,
registered on the CopyrightChains blockchain with CopyrightID
0x4065807afc8201b90e8454f91a44169822bd6af6a779e6019efa395e910d16d5 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/USCA21101608.
Recording identifiers
- ISRC
- USCA21101608
- Title
- Last Friday Night (T.G.I.F.)
- Artist
- Katy Perry
- CopyrightID (CopyrightChains transaction hash)
0x4065807afc8201b90e8454f91a44169822bd6af6a779e6019efa395e910d16d5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:a3f3d0a3ec66e0cf7cd2dac4ba30b8222da4641e7c8ac122fe2bea9d3475be5a- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCA21101608
- Bitcoin block existence check
- https://blockstream.info/api/block/953513
Full record
Track page: Last Friday Night (T.G.I.F.) · Machine-readable JSON-LD