ISRC USCA21001264
Verified recording
USCA21001264 is “Last Friday Night (T.G.I.F.)” by Katy Perry,
registered on the CopyrightChains blockchain with CopyrightID
0x9bb4d72b733fbda87b3f4695f5eaa94a722fc577cdfe3c36f55dcba34d5aa5c0 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/USCA21001264.
Recording identifiers
- ISRC
- USCA21001264
- Title
- Last Friday Night (T.G.I.F.)
- Artist
- Katy Perry
- CopyrightID (CopyrightChains transaction hash)
0x9bb4d72b733fbda87b3f4695f5eaa94a722fc577cdfe3c36f55dcba34d5aa5c0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:6a768cc87ad8aaf9910e3b33853870a7be45b62fdd0e26ccf580e956ecf43468- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCA21001264
- 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