ISRC USUM71311296
Verified recording
USUM71311296 is “Dark Horse” by Katy Perry,
registered on the CopyrightChains blockchain with CopyrightID
0x7ea3a91d2b84c1b08bfff43d7ee673227e00dd7c0fac0097f1b25e2fce999daa 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/USUM71311296.
Recording identifiers
- ISRC
- USUM71311296
- Title
- Dark Horse
- Artist
- Katy Perry
- CopyrightID (CopyrightChains transaction hash)
0x7ea3a91d2b84c1b08bfff43d7ee673227e00dd7c0fac0097f1b25e2fce999daa
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:fcb87985ea0df7fcc5bdb75681f150a29ebaeb801375de97ed3b7a4d92538c97- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71311296
- Bitcoin block existence check
- https://blockstream.info/api/block/953513