ISRC USUM71702940
Verified recording
USUM71702940 is “Déjà Vu” by Katy Perry,
registered on the CopyrightChains blockchain with CopyrightID
0x555b561e031deb94681a030f99691f91008be1481c2ece597cefec090ba9fa77 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/USUM71702940.
Recording identifiers
- ISRC
- USUM71702940
- Title
- Déjà Vu
- Artist
- Katy Perry
- CopyrightID (CopyrightChains transaction hash)
0x555b561e031deb94681a030f99691f91008be1481c2ece597cefec090ba9fa77
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:6f0424172ca264b529f8495f2bb872536d35aa0269369579027b7ff066951f2e- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71702940
- Bitcoin block existence check
- https://blockstream.info/api/block/953513