ISRC DEF059303815
Verified recording
DEF059303815 is “Violin Concerto: V. Appassionato. Agitato molto” by György Ligeti,
registered on the CopyrightChains blockchain with CopyrightID
0x941e4ec44b8bef9b9d5eafd5f2b0f57bf0065fa92da70f3987c8ae6e3ca264a3 and independently timestamped
in Bitcoin block 960225 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059303815.
Recording identifiers
- ISRC
- DEF059303815
- Title
- Violin Concerto: V. Appassionato. Agitato molto
- Artist
- György Ligeti
- CopyrightID (CopyrightChains transaction hash)
0x941e4ec44b8bef9b9d5eafd5f2b0f57bf0065fa92da70f3987c8ae6e3ca264a3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T08:04:30+00:00
- Bitcoin block
- 960225
- Canonical record hash
sha256:29f5c53d3000d5a6ba529d4e0cd84936735e80a1b8a0193cb4b7482f1fb74870- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059303815
- Bitcoin block existence check
- https://blockstream.info/api/block/960225
Full record
Track page: Violin Concerto: V. Appassionato. Agitato molto · Machine-readable JSON-LD