ISRC DEF059504102
Verified recording
DEF059504102 is “Quartet for Piano, Violin, Viola and Violoncello in B flat major, op.8 (J76): 2. Adagio ma non troppo - Più moto e con fuoco - Tempo I” by Carl Maria von Weber,
registered on the CopyrightChains blockchain with CopyrightID
0x094f222af4c804627ecf920629d967bea42c508212284750b937ef4d2e8e51f7 and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059504102.
Recording identifiers
- ISRC
- DEF059504102
- Title
- Quartet for Piano, Violin, Viola and Violoncello in B flat major, op.8 (J76): 2. Adagio ma non troppo - Più moto e con fuoco - Tempo I
- Artist
- Carl Maria von Weber
- CopyrightID (CopyrightChains transaction hash)
0x094f222af4c804627ecf920629d967bea42c508212284750b937ef4d2e8e51f7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:8ef4f4145c2581047731bd3d67e96122803e87265e5908180b8f78ca94272a7a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059504102
- Bitcoin block existence check
- https://blockstream.info/api/block/960418
Full record
Track page: Quartet for Piano, Violin, Viola and Violoncello in B flat major, op.8 (J76): 2. Adagio ma non troppo - Più moto e con fuoco - Tempo I · Machine-readable JSON-LD