ISRC USCA21001135
Verified recording
USCA21001135 is “California Gurls” by Katy Perry,
registered on the CopyrightChains blockchain with CopyrightID
0x7c8518994e0a263260199b6c8ea7c71bf935ac1a3357393d90345a1fc7260ccd 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/USCA21001135.
Recording identifiers
- ISRC
- USCA21001135
- Title
- California Gurls
- Artist
- Katy Perry
- CopyrightID (CopyrightChains transaction hash)
0x7c8518994e0a263260199b6c8ea7c71bf935ac1a3357393d90345a1fc7260ccd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:3d6e795535b10d1d48b3c6f0313ce2cdb31651f24aa17404522b38b3243b0b27- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCA21001135
- Bitcoin block existence check
- https://blockstream.info/api/block/953513