ISRC ES5701801457
Verified recording
ES5701801457 is “U Know” by Cupido,
registered on the CopyrightChains blockchain with CopyrightID
0xe2ba9e6077d4e763b870d34c1041482c046164bd0461f8182d50102cc5f663f0 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/ES5701801457.
Recording identifiers
- ISRC
- ES5701801457
- Title
- U Know
- Artist
- Cupido
- CopyrightID (CopyrightChains transaction hash)
0xe2ba9e6077d4e763b870d34c1041482c046164bd0461f8182d50102cc5f663f0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:923cd16ac1dc4ecf295454e1e16db8353da2012670e142221d8eb36a6f99b090- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5701801457
- Bitcoin block existence check
- https://blockstream.info/api/block/953513