ISRC FR50X2399314
Verified recording
FR50X2399314 is “Kammerkonzert pour treize instrumentistes: II. Calmo sostenuto” by György Ligeti,
registered on the CopyrightChains blockchain with CopyrightID
0xcaf2059156e1c1ce6b3c894a00d9dccb4ea5cc1e99b96e07f85e788cfd333190 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2399314.
Recording identifiers
- ISRC
- FR50X2399314
- Title
- Kammerkonzert pour treize instrumentistes: II. Calmo sostenuto
- Artist
- György Ligeti
- CopyrightID (CopyrightChains transaction hash)
0xcaf2059156e1c1ce6b3c894a00d9dccb4ea5cc1e99b96e07f85e788cfd333190
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:7dc715c413b7e45d58cde1e860362d1659fdd8dc8808d3f821183352b3b9f201- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2399314
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Kammerkonzert pour treize instrumentistes: II. Calmo sostenuto · Machine-readable JSON-LD