ISRC US5UL0704312
Verified recording
US5UL0704312 is “Nocturne in Eb” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x6b56c4710ccd30e7be0e9809a04b56bd074c53ee02d7fbb4390436c2e6f385f0 and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US5UL0704312.
Recording identifiers
- ISRC
- US5UL0704312
- Title
- Nocturne in Eb
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x6b56c4710ccd30e7be0e9809a04b56bd074c53ee02d7fbb4390436c2e6f385f0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:e7402f3bee99ede4f2921841591fd2e8f613f9bab7e5d3d44f94b71214f6edb0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US5UL0704312
- Bitcoin block existence check
- https://blockstream.info/api/block/960368