ISRC USVPR9400538
Verified recording
USVPR9400538 is “Saddest Day” by Wayne Wonder,
registered on the CopyrightChains blockchain with CopyrightID
0xf89fdaef20dafa427f16b9c1df0278d65570609aabd6928921cbf86c798a614d and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USVPR9400538.
Recording identifiers
- ISRC
- USVPR9400538
- Title
- Saddest Day
- Artist
- Wayne Wonder
- CopyrightID (CopyrightChains transaction hash)
0xf89fdaef20dafa427f16b9c1df0278d65570609aabd6928921cbf86c798a614d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:3997e3bcdb84aed8bef37a7568de6ba219314eff503bd1bb5fc1acf4e6f2783c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USVPR9400538
- Bitcoin block existence check
- https://blockstream.info/api/block/960138