ISRC USSM10402655
Verified recording
USSM10402655 is “Études, Book 3: No. 15, White on White” by György Ligeti,
registered on the CopyrightChains blockchain with CopyrightID
0xf4f346591d24c54c042cb0879444b96e5694db315354be7a98f415216e678ea1 and independently timestamped
in Bitcoin block 960216 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10402655.
Recording identifiers
- ISRC
- USSM10402655
- Title
- Études, Book 3: No. 15, White on White
- Artist
- György Ligeti
- CopyrightID (CopyrightChains transaction hash)
0xf4f346591d24c54c042cb0879444b96e5694db315354be7a98f415216e678ea1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T06:39:12+00:00
- Bitcoin block
- 960216
- Canonical record hash
sha256:16c3e5ce5a09ff7b6d4a7221135007654a2c06294c71869a6c816c5cbdc99b31- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10402655
- Bitcoin block existence check
- https://blockstream.info/api/block/960216
Full record
Track page: Études, Book 3: No. 15, White on White · Machine-readable JSON-LD