ISRC DEF059504842
Verified recording
DEF059504842 is “String Quartet No. 4 in C Minor, Op. 18 No. 4: 2. Andante scherzoso, quasi allegretto” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x5a7503458f5989397218a055a6be386a303684bb4dc9f46a10aff96bdd47239f 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/DEF059504842.
Recording identifiers
- ISRC
- DEF059504842
- Title
- String Quartet No. 4 in C Minor, Op. 18 No. 4: 2. Andante scherzoso, quasi allegretto
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x5a7503458f5989397218a055a6be386a303684bb4dc9f46a10aff96bdd47239f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:948bbf51d1cc300b1850dda959333ded2009b16625576cc3551f918a2f2654d2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059504842
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: String Quartet No. 4 in C Minor, Op. 18 No. 4: 2. Andante scherzoso, quasi allegretto · Machine-readable JSON-LD