ISRC GBAYC9903811
Verified recording
GBAYC9903811 is “Ligeti: String Quartet No. 1 "Métamorphoses nocturnes": XI. Ad libitum, senza misura” by György Ligeti,
registered on the CopyrightChains blockchain with CopyrightID
0x2c8d36c458bf84866b7438305995b3c1bdb37c98172305a53e8ee0a9aef33083 and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9903811.
Recording identifiers
- ISRC
- GBAYC9903811
- Title
- Ligeti: String Quartet No. 1 "Métamorphoses nocturnes": XI. Ad libitum, senza misura
- Artist
- György Ligeti
- CopyrightID (CopyrightChains transaction hash)
0x2c8d36c458bf84866b7438305995b3c1bdb37c98172305a53e8ee0a9aef33083
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:4c99f77efcd83ad0600a3ebf1c864aa2611e3eeab6aab2bdb30696e12179ed39- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9903811
- Bitcoin block existence check
- https://blockstream.info/api/block/960418
Full record
Track page: Ligeti: String Quartet No. 1 "Métamorphoses nocturnes": XI. Ad libitum, senza misura · Machine-readable JSON-LD