ISRC USUM71906391
Verified recording
USUM71906391 is “Castaway” by Yuna,
registered on the CopyrightChains blockchain with CopyrightID
0x4bca70e876a670feac48d3d2f6b8b919c7bd72517de0e5df9c64c76b57dda274 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/USUM71906391.
Recording identifiers
- ISRC
- USUM71906391
- Title
- Castaway
- Artist
- Yuna
- CopyrightID (CopyrightChains transaction hash)
0x4bca70e876a670feac48d3d2f6b8b919c7bd72517de0e5df9c64c76b57dda274
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T15:41:10+00:00
- Bitcoin block
- 953528
- Canonical record hash
sha256:c46251967c9d87907273eb81d632efc9ca63a46d072d933afc1a5278407e5b92- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71906391
- Bitcoin block existence check
- https://blockstream.info/api/block/953528