ISRC NLE422203023
Verified recording
NLE422203023 is “Játékok, Book V: No. 12, Preface to a Bálint exhibition” by György Kurtág,
registered on the CopyrightChains blockchain with CopyrightID
0x8e28dcc02156b2966352f75c55ae8417484487d226084fc1a560ee90e7356f71 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422203023.
Recording identifiers
- ISRC
- NLE422203023
- Title
- Játékok, Book V: No. 12, Preface to a Bálint exhibition
- Artist
- György Kurtág
- CopyrightID (CopyrightChains transaction hash)
0x8e28dcc02156b2966352f75c55ae8417484487d226084fc1a560ee90e7356f71
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:713cb2c7d48d003eb83d82922d865deac007dd9ff06e1102be5c3d35700b9885- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422203023
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Játékok, Book V: No. 12, Preface to a Bálint exhibition · Machine-readable JSON-LD