ISRC USB8U1521017
Verified recording
USB8U1521017 is “What a Wonderful World” by Jeff Tyzik,
registered on the CopyrightChains blockchain with CopyrightID
0x791b96a2a1fafeed3c2cbb0a37c7f07e7ef31cc5f4d1a765897ff3a6a97c9886 and independently timestamped
in Bitcoin block 960193 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1521017.
Recording identifiers
- ISRC
- USB8U1521017
- Title
- What a Wonderful World
- Artist
- Jeff Tyzik
- CopyrightID (CopyrightChains transaction hash)
0x791b96a2a1fafeed3c2cbb0a37c7f07e7ef31cc5f4d1a765897ff3a6a97c9886
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T02:05:19+00:00
- Bitcoin block
- 960193
- Canonical record hash
sha256:ec7708d4ca60cca21421341cf4ef5dc4b3927f019123568624c6c39be1604ffe- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1521017
- Bitcoin block existence check
- https://blockstream.info/api/block/960193
Full record
Track page: What a Wonderful World · Machine-readable JSON-LD