ISRC USB4U0851625
Verified recording
USB4U0851625 is “What A Wonderful World” by Leif Shires,
registered on the CopyrightChains blockchain with CopyrightID
0x2c63c777abd13987cfb26ad77f3bcbb6fd3aa686b15f426daaae51bc39ee2495 and independently timestamped
in Bitcoin block 959163 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB4U0851625.
Recording identifiers
- ISRC
- USB4U0851625
- Title
- What A Wonderful World
- Artist
- Leif Shires
- CopyrightID (CopyrightChains transaction hash)
0x2c63c777abd13987cfb26ad77f3bcbb6fd3aa686b15f426daaae51bc39ee2495
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T18:47:29+00:00
- Bitcoin block
- 959163
- Canonical record hash
sha256:5323c5a80c1afb60e8a0760232edcccfb1a63bcfcb911afbe341aec9d3cf0f89- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB4U0851625
- Bitcoin block existence check
- https://blockstream.info/api/block/959163
Full record
Track page: What A Wonderful World · Machine-readable JSON-LD