ISRC UK2Y21901777
Verified recording
UK2Y21901777 is “String Quartet No. 3 in F Major, Op. 73: I. Allegretto” by Dmitri Shostakovich,
registered on the CopyrightChains blockchain with CopyrightID
0x0f2a1eee1aa2e88ac3325583347e812abe330c45966e7be2be5d4fe0503d93de and independently timestamped
in Bitcoin block 960344 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21901777.
Recording identifiers
- ISRC
- UK2Y21901777
- Title
- String Quartet No. 3 in F Major, Op. 73: I. Allegretto
- Artist
- Dmitri Shostakovich
- CopyrightID (CopyrightChains transaction hash)
0x0f2a1eee1aa2e88ac3325583347e812abe330c45966e7be2be5d4fe0503d93de
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T04:14:58+00:00
- Bitcoin block
- 960344
- Canonical record hash
sha256:954e0911ff20e64477a19ad5e74c78f04c9c3cabb74331965be9178d1cb0d7c9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21901777
- Bitcoin block existence check
- https://blockstream.info/api/block/960344
Full record
Track page: String Quartet No. 3 in F Major, Op. 73: I. Allegretto · Machine-readable JSON-LD