ISRC DEF059504834
Verified recording
DEF059504834 is “String Quartet No. 2 in G Major, Op. 18 No. 2: 4. Allegro molto, quasi presto” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x862938709b790628ac6bce93984a38b1c2ea13f2e6c16aa4bfb0b05e95a0a5cc 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/DEF059504834.
Recording identifiers
- ISRC
- DEF059504834
- Title
- String Quartet No. 2 in G Major, Op. 18 No. 2: 4. Allegro molto, quasi presto
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x862938709b790628ac6bce93984a38b1c2ea13f2e6c16aa4bfb0b05e95a0a5cc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:18d059838ae6712d9c60c7082d7a6cf5fd58cf3e0b4b3ffbc5bf381067aa1e9d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059504834
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: String Quartet No. 2 in G Major, Op. 18 No. 2: 4. Allegro molto, quasi presto · Machine-readable JSON-LD