ISRC DEF059205012
Verified recording
DEF059205012 is “Piano Concerto: II. Lento e deserto” by György Ligeti,
registered on the CopyrightChains blockchain with CopyrightID
0x0ce51ab32ffcfd56028ff686903caaaf8032092cff7353f359498129d7872abc and independently timestamped
in Bitcoin block 960321 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059205012.
Recording identifiers
- ISRC
- DEF059205012
- Title
- Piano Concerto: II. Lento e deserto
- Artist
- György Ligeti
- CopyrightID (CopyrightChains transaction hash)
0x0ce51ab32ffcfd56028ff686903caaaf8032092cff7353f359498129d7872abc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T22:27:30+00:00
- Bitcoin block
- 960321
- Canonical record hash
sha256:54eee180689d9faee2ef12244624a9fc999a5794f7581ead8091e98b963e4afc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059205012
- Bitcoin block existence check
- https://blockstream.info/api/block/960321
Full record
Track page: Piano Concerto: II. Lento e deserto · Machine-readable JSON-LD