ISRC NLE422203039
Verified recording
NLE422203039 is “Játékok, Book VI: No. 44, Lines for Zsuzsa Sirokay” by György Kurtág,
registered on the CopyrightChains blockchain with CopyrightID
0xd1df55d62fe263e8a8fe890298b3bbf7f0b26e175ff02d77bb730d0763cd3c9e and independently timestamped
in Bitcoin block 960455 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422203039.
Recording identifiers
- ISRC
- NLE422203039
- Title
- Játékok, Book VI: No. 44, Lines for Zsuzsa Sirokay
- Artist
- György Kurtág
- CopyrightID (CopyrightChains transaction hash)
0xd1df55d62fe263e8a8fe890298b3bbf7f0b26e175ff02d77bb730d0763cd3c9e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:f91b08de99c897c6841f3e861687eb5299514bdf5a3172216d5760b8ccd8bb85- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422203039
- Bitcoin block existence check
- https://blockstream.info/api/block/960455
Full record
Track page: Játékok, Book VI: No. 44, Lines for Zsuzsa Sirokay · Machine-readable JSON-LD