ISRC NLE422203019
Verified recording
NLE422203019 is “Játékok, Book III: No. 31, Hommage à Christian Wolff (Half-asleep)” by György Kurtág,
registered on the CopyrightChains blockchain with CopyrightID
0x7dc2f541480c662b70e5dd673acc7e0d102ef25983d6830a5b5e78de03105abd and independently timestamped
in Bitcoin block 960258 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422203019.
Recording identifiers
- ISRC
- NLE422203019
- Title
- Játékok, Book III: No. 31, Hommage à Christian Wolff (Half-asleep)
- Artist
- György Kurtág
- CopyrightID (CopyrightChains transaction hash)
0x7dc2f541480c662b70e5dd673acc7e0d102ef25983d6830a5b5e78de03105abd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:45:34+00:00
- Bitcoin block
- 960258
- Canonical record hash
sha256:7e3ca1e49338de357b2b9f5fe409579562f098b625da20c4e6a9a9e5cf4c27a8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422203019
- Bitcoin block existence check
- https://blockstream.info/api/block/960258
Full record
Track page: Játékok, Book III: No. 31, Hommage à Christian Wolff (Half-asleep) · Machine-readable JSON-LD