ISRC USUM71605083
Verified recording
USUM71605083 is “Witness” by Katy Perry,
registered on the CopyrightChains blockchain with CopyrightID
0x87607fc6792e5456bc43b3a298a594d20ce55038b20e71df4155500917a5e7f4 and independently timestamped
in Bitcoin block 953528 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71605083.
Recording identifiers
- ISRC
- USUM71605083
- Title
- Witness
- Artist
- Katy Perry
- CopyrightID (CopyrightChains transaction hash)
0x87607fc6792e5456bc43b3a298a594d20ce55038b20e71df4155500917a5e7f4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T15:41:10+00:00
- Bitcoin block
- 953528
- Canonical record hash
sha256:f531cf096ccf5c267e5460cb79d75e1d58affb0f39a806c02f6b21f76cc2d3b2- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71605083
- Bitcoin block existence check
- https://blockstream.info/api/block/953528