ISRC USRO21901516
Verified recording
USRO21901516 is “What You Don’t Know” by Caroline Spence,
registered on the CopyrightChains blockchain with CopyrightID
0xfe9fdee298e9e891883bcf306f34338470eec2a0d2450e49e372b6c19fce74b2 and independently timestamped
in Bitcoin block 959159 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRO21901516.
Recording identifiers
- ISRC
- USRO21901516
- Title
- What You Don’t Know
- Artist
- Caroline Spence
- CopyrightID (CopyrightChains transaction hash)
0xfe9fdee298e9e891883bcf306f34338470eec2a0d2450e49e372b6c19fce74b2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T17:48:40+00:00
- Bitcoin block
- 959159
- Canonical record hash
sha256:18c0e43d28fad5006ab086d054fe8e117538f9bca96b40bf940586826b966afb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRO21901516
- Bitcoin block existence check
- https://blockstream.info/api/block/959159