ISRC USSM19503335
Verified recording
USSM19503335 is “Musica ricercata: No. 4, Tempo di Valse” by György Ligeti,
registered on the CopyrightChains blockchain with CopyrightID
0x92f2511fe97e9ee4b1ef33b894cea782837dbbece71bd204339dea0abf3d4627 and independently timestamped
in Bitcoin block 960095 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19503335.
Recording identifiers
- ISRC
- USSM19503335
- Title
- Musica ricercata: No. 4, Tempo di Valse
- Artist
- György Ligeti
- CopyrightID (CopyrightChains transaction hash)
0x92f2511fe97e9ee4b1ef33b894cea782837dbbece71bd204339dea0abf3d4627
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T11:07:37+00:00
- Bitcoin block
- 960095
- Canonical record hash
sha256:87f7e7d5f66800dc4c9f9c232c475d79b9236b8d0ffdd34092d79d539ea008f9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19503335
- Bitcoin block existence check
- https://blockstream.info/api/block/960095
Full record
Track page: Musica ricercata: No. 4, Tempo di Valse · Machine-readable JSON-LD