ISRC USX761929806
Verified recording
USX761929806 is “String Quartet No.2 in D Major” by Alexander Borodin,
registered on the CopyrightChains blockchain with CopyrightID
0x57c8a6a0114b19207ef5390a26c67c93f16febe6d2d51b077d0e48f4f0ade881 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX761929806.
Recording identifiers
- ISRC
- USX761929806
- Title
- String Quartet No.2 in D Major
- Artist
- Alexander Borodin
- CopyrightID (CopyrightChains transaction hash)
0x57c8a6a0114b19207ef5390a26c67c93f16febe6d2d51b077d0e48f4f0ade881
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:8cfaf11d4d1a5470af4c5ba1924e27c2575600078b3586d3bd60af23eec09063- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX761929806
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: String Quartet No.2 in D Major · Machine-readable JSON-LD