ISRC USQX92202976
Verified recording
USQX92202976 is “Farewell. Waltz in C Minor, Op. 39, No. 1” by Mykola Lysenko,
registered on the CopyrightChains blockchain with CopyrightID
0xe7f5cbfd1db6ae5b72eedaffa97b4f2e0a45caa95127f002c4cf3faba5574571 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX92202976.
Recording identifiers
- ISRC
- USQX92202976
- Title
- Farewell. Waltz in C Minor, Op. 39, No. 1
- Artist
- Mykola Lysenko
- CopyrightID (CopyrightChains transaction hash)
0xe7f5cbfd1db6ae5b72eedaffa97b4f2e0a45caa95127f002c4cf3faba5574571
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:be15f5562e08cab63e884b273888cd38c026cd56bb552ac0135cc2b8d9e86166- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX92202976
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Farewell. Waltz in C Minor, Op. 39, No. 1 · Machine-readable JSON-LD