ISRC USSM19503346
Verified recording
USSM19503346 is “Nonsense Madrigals: 3. The Alphabet” by György Ligeti,
registered on the CopyrightChains blockchain with CopyrightID
0x23c1254bf4ab61de6b715308820a0a19753bb447ddcda614665c4cdc359f5b3d and independently timestamped
in Bitcoin block 960317 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19503346.
Recording identifiers
- ISRC
- USSM19503346
- Title
- Nonsense Madrigals: 3. The Alphabet
- Artist
- György Ligeti
- CopyrightID (CopyrightChains transaction hash)
0x23c1254bf4ab61de6b715308820a0a19753bb447ddcda614665c4cdc359f5b3d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T21:35:24+00:00
- Bitcoin block
- 960317
- Canonical record hash
sha256:1d49e351df378196534b548e19ba389be005b7d5e7e05c8822e5cdd0c935e204- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19503346
- Bitcoin block existence check
- https://blockstream.info/api/block/960317
Full record
Track page: Nonsense Madrigals: 3. The Alphabet · Machine-readable JSON-LD