ISRC US5UL1527730
Verified recording
US5UL1527730 is “Prelude in E Minor-Op28 Nr 4” by David Tkaczuk,
registered on the CopyrightChains blockchain with CopyrightID
0x56852ca9d435819429aded9dddbb1ef5ad42708a9ef9f7016193985642942708 and independently timestamped
in Bitcoin block 960410 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US5UL1527730.
Recording identifiers
- ISRC
- US5UL1527730
- Title
- Prelude in E Minor-Op28 Nr 4
- Artist
- David Tkaczuk
- CopyrightID (CopyrightChains transaction hash)
0x56852ca9d435819429aded9dddbb1ef5ad42708a9ef9f7016193985642942708
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:50:38+00:00
- Bitcoin block
- 960410
- Canonical record hash
sha256:5d2948851d26f5b4105ecdec610cc78225b36ecd833a88608ca37b3db6bf7dbd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US5UL1527730
- Bitcoin block existence check
- https://blockstream.info/api/block/960410
Full record
Track page: Prelude in E Minor-Op28 Nr 4 · Machine-readable JSON-LD