ISRC USSJ10301407
Verified recording
USSJ10301407 is “String Quartet No. 2: Nocturne” by Alexander Borodin,
registered on the CopyrightChains blockchain with CopyrightID
0x5691109d0556ace2c67ddf3a3e81fda633de585336a6f50b468f3e43482a9445 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10301407.
Recording identifiers
- ISRC
- USSJ10301407
- Title
- String Quartet No. 2: Nocturne
- Artist
- Alexander Borodin
- CopyrightID (CopyrightChains transaction hash)
0x5691109d0556ace2c67ddf3a3e81fda633de585336a6f50b468f3e43482a9445
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:4e5193108767cc5ea02e7965c17fd670d9514ec626c2c2cf7494f18b7e2de66e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10301407
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: String Quartet No. 2: Nocturne · Machine-readable JSON-LD