ISRC FR4KC2302019
Verified recording
FR4KC2302019 is “Ten Pieces for Wind Quintet: IX. Sostenuto, stridente - Live” by György Ligeti,
registered on the CopyrightChains blockchain with CopyrightID
0x23bae215ff98d22b9e31c73b61ea4d410a25781a2e25e111a66727f838f17ebe and independently timestamped
in Bitcoin block 960419 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR4KC2302019.
Recording identifiers
- ISRC
- FR4KC2302019
- Title
- Ten Pieces for Wind Quintet: IX. Sostenuto, stridente - Live
- Artist
- György Ligeti
- CopyrightID (CopyrightChains transaction hash)
0x23bae215ff98d22b9e31c73b61ea4d410a25781a2e25e111a66727f838f17ebe
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:33+00:00
- Bitcoin block
- 960419
- Canonical record hash
sha256:38890b9406bc264368a769292b19453566b7d48d2074ebe84b4012edf2b84085- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR4KC2302019
- Bitcoin block existence check
- https://blockstream.info/api/block/960419
Full record
Track page: Ten Pieces for Wind Quintet: IX. Sostenuto, stridente - Live · Machine-readable JSON-LD