ISRC GBAYC9903817
Verified recording
GBAYC9903817 is “Ligeti: String Quartet No. 2: IV. Presto furioso, brutale, tumultuoso” by György Ligeti,
registered on the CopyrightChains blockchain with CopyrightID
0xf0814c510b332e94212b3a3437cb971a1ae01a70e6424341afae893e116aeb26 and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9903817.
Recording identifiers
- ISRC
- GBAYC9903817
- Title
- Ligeti: String Quartet No. 2: IV. Presto furioso, brutale, tumultuoso
- Artist
- György Ligeti
- CopyrightID (CopyrightChains transaction hash)
0xf0814c510b332e94212b3a3437cb971a1ae01a70e6424341afae893e116aeb26
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:0ea5e282d8427c7be0dfd70cbb89778178c1fe6d21bbc666098d49b7c27c93a1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9903817
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: Ligeti: String Quartet No. 2: IV. Presto furioso, brutale, tumultuoso · Machine-readable JSON-LD