ISRC FR4KC2302008
Verified recording
FR4KC2302008 is “Chamber Concerto: II. Calmo, sostenuto, pour Traude Cerha - Live” by György Ligeti,
registered on the CopyrightChains blockchain with CopyrightID
0x73e56eb971d11a0c02a10523c02d9aee691865594f4c505c34d159e138b5d730 and independently timestamped
in Bitcoin block 960459 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR4KC2302008.
Recording identifiers
- ISRC
- FR4KC2302008
- Title
- Chamber Concerto: II. Calmo, sostenuto, pour Traude Cerha - Live
- Artist
- György Ligeti
- CopyrightID (CopyrightChains transaction hash)
0x73e56eb971d11a0c02a10523c02d9aee691865594f4c505c34d159e138b5d730
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:22:46+00:00
- Bitcoin block
- 960459
- Canonical record hash
sha256:3ab001f6fae0ae92fb8ab788f396e1124c987e539f25de8026dc8b9e123b4b16- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR4KC2302008
- Bitcoin block existence check
- https://blockstream.info/api/block/960459
Full record
Track page: Chamber Concerto: II. Calmo, sostenuto, pour Traude Cerha - Live · Machine-readable JSON-LD