ISRC DEF059504841
Verified recording
DEF059504841 is “String Quartet No. 4 in C Minor, Op. 18 No. 4: 1. Allegro ma non tanto” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xfc8d5013eaf68b196c98d8421864eff875ced63d38d7d205d4580e403fce38bf and independently timestamped
in Bitcoin block 953528 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059504841.
Recording identifiers
- ISRC
- DEF059504841
- Title
- String Quartet No. 4 in C Minor, Op. 18 No. 4: 1. Allegro ma non tanto
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xfc8d5013eaf68b196c98d8421864eff875ced63d38d7d205d4580e403fce38bf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T15:41:10+00:00
- Bitcoin block
- 953528
- Canonical record hash
sha256:7513b532995a49aa1b956f6ac1c30e07256e23fb0e0c1b1fbe02ca56934d204b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059504841
- Bitcoin block existence check
- https://blockstream.info/api/block/953528
Full record
Track page: String Quartet No. 4 in C Minor, Op. 18 No. 4: 1. Allegro ma non tanto · Machine-readable JSON-LD