ISRC USSM19503325
Verified recording
USSM19503325 is “Études, Book 2: No. 8, Fém” by György Ligeti,
registered on the CopyrightChains blockchain with CopyrightID
0x8fbb9a0bcb261b615a0be092303918d7805694a7a649ce4c150f2e80665f3cb3 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19503325.
Recording identifiers
- ISRC
- USSM19503325
- Title
- Études, Book 2: No. 8, Fém
- Artist
- György Ligeti
- CopyrightID (CopyrightChains transaction hash)
0x8fbb9a0bcb261b615a0be092303918d7805694a7a649ce4c150f2e80665f3cb3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:77f8ff5261fbaf8c8594acddc1e1e327af16405a0d820120e7f49d08e6d1b135- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19503325
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Études, Book 2: No. 8, Fém · Machine-readable JSON-LD