ISRC USQ4E2101151
Verified recording
USQ4E2101151 is “Happiness” by Stefan Wesołowski,
registered on the CopyrightChains blockchain with CopyrightID
0x99ad720e7c1e9d555463dda7cebb74136b892844562e81a5e973a2ca9dfa45a3 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQ4E2101151.
Recording identifiers
- ISRC
- USQ4E2101151
- Title
- Happiness
- Artist
- Stefan Wesołowski
- CopyrightID (CopyrightChains transaction hash)
0x99ad720e7c1e9d555463dda7cebb74136b892844562e81a5e973a2ca9dfa45a3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:d92aaa68a052529f35cbe74c3ba542dfa31a974919574a1acd6901a8241a964c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQ4E2101151
- Bitcoin block existence check
- https://blockstream.info/api/block/960448