ISRC DEF059303814
Verified recording
DEF059303814 is “Violin Concerto: IV. Passacaglia. Lento intenso” by György Ligeti,
registered on the CopyrightChains blockchain with CopyrightID
0x7972590b4bbbfee9e9579ce7a744b8441f59f09ec51120333b303ba300dadf54 and independently timestamped
in Bitcoin block 960209 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059303814.
Recording identifiers
- ISRC
- DEF059303814
- Title
- Violin Concerto: IV. Passacaglia. Lento intenso
- Artist
- György Ligeti
- CopyrightID (CopyrightChains transaction hash)
0x7972590b4bbbfee9e9579ce7a744b8441f59f09ec51120333b303ba300dadf54
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T05:15:54+00:00
- Bitcoin block
- 960209
- Canonical record hash
sha256:550bde7f6a051c0804ebbb9ab14e0d7261e1ced7e5c74bed4f36d43cfeae860c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059303814
- Bitcoin block existence check
- https://blockstream.info/api/block/960209
Full record
Track page: Violin Concerto: IV. Passacaglia. Lento intenso · Machine-readable JSON-LD