ISRC USQ4E0900059
Verified recording
USQ4E0900059 is “Opening Title / The Ballad of Sonia” by Alex Heffes,
registered on the CopyrightChains blockchain with CopyrightID
0x79ca85c123f3cf623631b1c00c9e7e6264d44441af71bf327883226214e49366 and independently timestamped
in Bitcoin block 960478 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQ4E0900059.
Recording identifiers
- ISRC
- USQ4E0900059
- Title
- Opening Title / The Ballad of Sonia
- Artist
- Alex Heffes
- CopyrightID (CopyrightChains transaction hash)
0x79ca85c123f3cf623631b1c00c9e7e6264d44441af71bf327883226214e49366
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:30:38+00:00
- Bitcoin block
- 960478
- Canonical record hash
sha256:939e2e3ca96814a0b81ad48b65c64b5191ae2ef1ab4adf9e518a50da15ddbc4b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQ4E0900059
- Bitcoin block existence check
- https://blockstream.info/api/block/960478
Full record
Track page: Opening Title / The Ballad of Sonia · Machine-readable JSON-LD