ISRC DEF059404994
Verified recording
DEF059404994 is “String Quartet No. 15 in A Minor, Op. 132: IV. Alla marcia, assai vivace – Più allegro” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xbf46d6786b09aa063c799ededc458782f70bdf665df52f0933f1de7087064002 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/DEF059404994.
Recording identifiers
- ISRC
- DEF059404994
- Title
- String Quartet No. 15 in A Minor, Op. 132: IV. Alla marcia, assai vivace – Più allegro
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xbf46d6786b09aa063c799ededc458782f70bdf665df52f0933f1de7087064002
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:143dd9176a001e90605a44549efe3099118187140b5ef9c8513f3d7189c1b9ef- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059404994
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: String Quartet No. 15 in A Minor, Op. 132: IV. Alla marcia, assai vivace – Più allegro · Machine-readable JSON-LD